Gaya APA
Sugandi,Dawan, . (1973).
the effect of various energy and protein levels on the performance of laying hens under cage and flo (1).
Bogor:
IPB.
Gaya MLA
Sugandi,Dawan, .
"the effect of various energy and protein levels on the performance of laying hens under cage and flo".
1
Bogor:
IPB,
1973.
Buku.