APA (7th ed.) Citation

DARMAPUTERA., P. E. (1987). Perkenalan Pertama. BPK Gunung Mulia.

Chicago Style (17th ed.) Citation

DARMAPUTERA., Phil. Eka. Perkenalan Pertama. BPK Gunung Mulia, 1987.

MLA (8th ed.) Citation

DARMAPUTERA., Phil. Eka. Perkenalan Pertama. BPK Gunung Mulia, 1987.

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