APA ציטוט

Widdowson M Eelsie. (1981). Feeding the newborn mammal. America: Carolina biology readers.

Chicago Style Citation

Widdowson M Eelsie. Feeding the Newborn Mammal. America: Carolina biology readers, 1981.

ציטוט MLA

Widdowson M Eelsie. Feeding the Newborn Mammal. America: Carolina biology readers, 1981.