APA (7th ed.) Citation

Poyk, G. (1993). Sang Guru. Grasindo.

Chicago Style (17th ed.) Citation

Poyk, Gerson. Sang Guru. Grasindo, 1993.

MLA (8th ed.) Citation

Poyk, Gerson. Sang Guru. Grasindo, 1993.

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