Gaya APA
Struktur ongkos usaha tani "padi" dan "palawija" 1984 " = cost structure of farms paddy and ... . (1986).
Jakarta:
BPS.
Gaya MLA
Struktur ongkos usaha tani "padi" dan "palawija" 1984 " = cost structure of farms paddy and ... .
.
Jakarta:
BPS,
1986.
Buku.