Puškadija, Z. (2017). Late winter feeding stimulates rapid spring development of carniolan honey bee colonies (Apis mellifera carnica): Late winter feeding stimulates rapid spring development of carniolan honey bee colonies (Apis mellifera carnica). Poljoprivreda (Osijek), p. 3.
Chicago stil citiranjaPuškadija, Zlatko. "Late winter feeding stimulates rapid spring development of carniolan honey bee colonies (Apis mellifera carnica): Late winter feeding stimulates rapid spring development of carniolan honey bee colonies (Apis mellifera carnica)." 2017: 3.
MLA stil citiranjaPuškadija, Zlatko. "Late winter feeding stimulates rapid spring development of carniolan honey bee colonies (Apis mellifera carnica): Late winter feeding stimulates rapid spring development of carniolan honey bee colonies (Apis mellifera carnica)." 2017: 3.