Gaya APA

Kraeff, D, A. (1957). Preliminary Report Of The Quartz Sand Deposits In The Area West Of Tuban (June-July, 1957) . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Kraeff, Drs., A.. "Preliminary Report Of The Quartz Sand Deposits In The Area West Of Tuban (June-July, 1957)". Bandung: Pusat Sumber Daya Geologi, 1957. Bukan Logam.