Παραπομπή APA

Rosskopf,Walter J et al. (1996). Diseases of cage and aviary birds (3.). Williams &Wilkins.

Παραπομπή Chicago Style

Rosskopf,Walter J et al. Diseases of Cage and Aviary Birds. 3. Baltimore: Williams &Wilkins, 1996.

Παραπομπή MLA

Rosskopf,Walter J et al. Diseases of Cage and Aviary Birds. 3. Williams &Wilkins, 1996.