Gaya APA
KALSHOVEN, L.
(1981).
Pests of crops in Indonesia jil. II
(
2)
.
Jakarta:
Ikhtiar Baru.
Gaya MLA
KALSHOVEN, L.G.E.
"Pests of crops in Indonesia jil. II".
2
Jakarta:
Ikhtiar Baru,
1981.
Buku.