Gaya APA

D, B, P. (1976). Kuliah geophysika; metode seismic (1976). : Cepu : PPT MIGAS,.

Gaya MLA

D, Bhikuning, Putra,. "Kuliah geophysika; metode seismic". 1976 : Cepu : PPT MIGAS,, 1976. Text.