APA citiranje

De Malherbe, R. (1983). Synthetic crude from oil sands. VDI-Verlag.

Chicago Style (17th ed.) Citation

De Malherbe, Rada. Synthetic Crude from Oil Sands. Dsseldorf: VDI-Verlag, 1983.

MLA citiranje

De Malherbe, Rada. Synthetic Crude from Oil Sands. VDI-Verlag, 1983.