Gaya APA
Development, D, G, O, W, R. (1986).
Irrigation design standards (1st ed).
Bandung:
CV Galang Persada.
Gaya MLA
Development, Directorate, General, Of, Water, Resources.
"Irrigation design standards".
1st ed
Bandung:
CV Galang Persada,
1986.
Printed Book.