<SOEDARMO, G. D. &. S. P. Mekanika tanah ( 1 ). Kanisius.
Chicago Style (17th ed.) Citation<SOEDARMO, G. Djatmiko & S.J.E. Purnomo>. Mekanika Tanah ( 1 ). Kanisius.
MLA (8th ed.) Citation<SOEDARMO, G. Djatmiko & S.J.E. Purnomo>. Mekanika Tanah ( 1 ). Kanisius.
Warning: These citations may not always be 100% accurate.