Gaya APA

Aachen, P, D, E, R., Hannover, D, R, N, D, K. (1983/84). Comments On The Program For Implementation Of Exploration, Feasibility Study And Personnel Training . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Aachen, Prof., Dr.-Ing., Ernst-Ulrich, Reuther,., Hannover, Dr., Rer., Nat., Dietmar, Kelter,. "Comments On The Program For Implementation Of Exploration, Feasibility Study And Personnel Training". Bandung: Pusat Sumber Daya Geologi, 1983/84. Encyclopaedia.