APA (7th ed.) Citation

Ong,Johnny. (1994). Mengenal Kelapa Sawit. Tioman Books Sdn. Bhd..

Chicago Style (17th ed.) Citation

Ong,Johnny. Mengenal Kelapa Sawit. Selangor: Tioman Books Sdn. Bhd., 1994.

MLA (9th ed.) Citation

Ong,Johnny. Mengenal Kelapa Sawit. Tioman Books Sdn. Bhd., 1994.

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