Gaya APA
YUSUF, M. et al (2012).
Incidence of repeat breeding in dairy cows under tropical condition .
Bogor:
Fakultas Peternakan IPB.
Gaya MLA
YUSUF, M.. et al.
"Incidence of repeat breeding in dairy cows under tropical condition ".
Bogor:
Fakultas Peternakan IPB,
2012.
Artikel.