APA (7th ed.) Citation

POLAK, B. Usaha tani di tanah gambut. Bandung.

Chicago Style (17th ed.) Citation

POLAK, B. Usaha Tani Di Tanah Gambut. Bandung.

MLA (8th ed.) Citation

POLAK, B. Usaha Tani Di Tanah Gambut. Bandung.

Warning: These citations may not always be 100% accurate.