APA stil citiranja

Webb, E. J. (1966). Unobtrusive measures: Unobtrusive measures : nonreactive research in the social science. Chicago: Rand McNally & Company.

Chicago stil citiranja

Webb, Eugene J. Unobtrusive measures: Unobtrusive measures : nonreactive research in the social science. Chicago: Rand McNally & Company, 1966.

MLA stil citiranja

Webb, Eugene J. Unobtrusive measures: Unobtrusive measures : nonreactive research in the social science. Chicago: Rand McNally & Company, 1966.