Gaya APA
Daly, K, N., Rojankovsky, F.
(1972).
Wild Animal Babies
.
Amerika Serikat:
Golden Press.
Gaya MLA
Daly, Kathleen, N.., Rojankovsky, Feodor.
"Wild Animal Babies".
Amerika Serikat:
Golden Press,
1972.
Textbook.