Gaya APA

John.E.Ricklefs,Ph.D, . (1983). Electrification Of The Railroads With Coal And Its Role In The Indonesia Integrated Transportation System . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

John.E.Ricklefs,Ph.D, . "Electrification Of The Railroads With Coal And Its Role In The Indonesia Integrated Transportation System". Bandung: Pusat Sumber Daya Geologi, 1983. Batubara.