Gaya APA

Atmawinata, S., Ratman, N. (1982). Peta Geologi Permulaan Lembar Yapen (Bosnik & Sawai), Irian Jaya . : .

Gaya MLA

Atmawinata, S.., Ratman, N.. "Peta Geologi Permulaan Lembar Yapen (Bosnik & Sawai), Irian Jaya". : , 1982. Map.