Vrbica, Ž. (2016). Development and the initial validation of a new selfadministered questionnaire for an early detection of health status changes in smokers at risk for chronic obstructive pulmonary disease (MARKO questionnaire): Development and the initial validation of a new selfadministered questionnaire for an early detection of health status changes in smokers at risk for chronic obstructive pulmonary disease (MARKO questionnaire). Croatian medical journal, p. 7.
Chicago stil citiranjaVrbica, Žarko. "Development and the initial validation of a new selfadministered questionnaire for an early detection of health status changes in smokers at risk for chronic obstructive pulmonary disease (MARKO questionnaire): Development and the initial validation of a new selfadministered questionnaire for an early detection of health status changes in smokers at risk for chronic obstructive pulmonary disease (MARKO questionnaire)." 2016: 7.
MLA stil citiranjaVrbica, Žarko. "Development and the initial validation of a new selfadministered questionnaire for an early detection of health status changes in smokers at risk for chronic obstructive pulmonary disease (MARKO questionnaire): Development and the initial validation of a new selfadministered questionnaire for an early detection of health status changes in smokers at risk for chronic obstructive pulmonary disease (MARKO questionnaire)." 2016: 7.