Gaya APA
dkk, B, J, G.
(1986).
Principles of Agribusiness Management
(
Cetakan Pertama)
.
new jersey:
A Reston Book.
Gaya MLA
dkk, Beirlein, James, G.,.
"Principles of Agribusiness Management".
Cetakan Pertama
new jersey:
A Reston Book,
1986.
Text.