Gaya APA
Nations, F, A, A, O, O, T, U. (1984).
Pedoman Manajemen Usahatani:(Farm Management Manual) (Cet. 6).
Jakarta:
CV Yasaguna.
Gaya MLA
Nations, Food, And, Agr., Organisation, Of, The, United.
"Pedoman Manajemen Usahatani:(Farm Management Manual)".
Cet. 6
Jakarta:
CV Yasaguna,
1984.
Text.