Gaya APA

WEBSTER, C.C., P.N. Wilson. (1980). Agriculture in the tropics (Edisi Ke 2). Hongkong: Longman Group Ltd.

Gaya Chicago

WEBSTER, C.C., P.N. Wilson. Agriculture in the tropics. Edisi Ke 2 Hongkong: Longman Group Ltd, 1980. .

Gaya MLA

WEBSTER, C.C., P.N. Wilson. Agriculture in the tropics. Edisi Ke 2 Hongkong: Longman Group Ltd, 1980. .

Gaya Turabian

WEBSTER, C.C., P.N. Wilson. Agriculture in the tropics. Edisi Ke 2 Hongkong: Longman Group Ltd, 1980. .