APA Citation

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

Chicago Style Citation

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

MLA Citation

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

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