Gaya APA
SUGANDI, D. (1973).
The effect of various energy and protein levels on the performance of laying hens under cage and... .
Bogor:
IPB.
Gaya MLA
SUGANDI, Dawan.
"The effect of various energy and protein levels on the performance of laying hens under cage and...".
Bogor:
IPB,
1973.
Buku.