APA (7th ed.) Citation

Poyk, G. (1977). Sang Guru. Pustaka Jaya.

Chicago Style (17th ed.) Citation

Poyk, Gerson. Sang Guru. Pustaka Jaya, 1977.

MLA (8th ed.) Citation

Poyk, Gerson. Sang Guru. Pustaka Jaya, 1977.

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