Kopljar, M., Klobučar, Ž., Tadić, M., & Pivk, M. (1994). Concentration of selenium in blood serum of cows with and without retention of secundines: Concentration of selenium in blood serum of cows with and without retention of secundines. Veterinarski arhiv (Tisak), p. 4.
Chicago stil citiranjaKopljar, Mijo, Željko Klobučar, Marko Tadić, and Miho Pivk. "Concentration of selenium in blood serum of cows with and without retention of secundines: Concentration of selenium in blood serum of cows with and without retention of secundines." 1994: 4.
MLA stil citiranjaKopljar, Mijo, Željko Klobučar, Marko Tadić, and Miho Pivk. "Concentration of selenium in blood serum of cows with and without retention of secundines: Concentration of selenium in blood serum of cows with and without retention of secundines." 1994: 4.