Gaya APA

Jenkner, D, P, A. (1959). Large-Scale Test For The Production Of Metallurgical Coke Made From Pualu Laut And Pulau Sebuku Coals . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Jenkner, Dr., Phil., A,. "Large-Scale Test For The Production Of Metallurgical Coke Made From Pualu Laut And Pulau Sebuku Coals". Bandung: Pusat Sumber Daya Geologi, 1959. Batubara.