Gaya APA
BROTONEGORO, S. et al (1986).
Palawija food crops other than rice in East Java agriculture: .
Malang:
Malang research institute for food crops (MARIF). .
Gaya MLA
BROTONEGORO, Soetarjo. et al.
"Palawija food crops other than rice in East Java agriculture: ".
Malang:
Malang research institute for food crops (MARIF). ,
1986.
Buku.