Gaya APA

Pigram, C., Panggabean, H. (1982). Peta Geologi Permulaan Lembar Waghete (Yapekopra), Irian Jaya . : .

Gaya MLA

Pigram, C.J.., Panggabean, H.. "Peta Geologi Permulaan Lembar Waghete (Yapekopra), Irian Jaya". : , 1982. Map.