APA (7th ed.) Citation

Santjoko, O. (2009). Bahan Lapis Keras. STTNAS.

Chicago Style (17th ed.) Citation

Santjoko, Otto. Bahan Lapis Keras. STTNAS, 2009.

MLA (8th ed.) Citation

Santjoko, Otto. Bahan Lapis Keras. STTNAS, 2009.

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