APA citáció

Pápay László. (1996). The distribution of sulphur in upper cretaceous brown coals from Ajka (Central Transdanubia, Hungary). Szeged.

Chicago Style (17th ed.) Citation

Pápay László. The Distribution of Sulphur in Upper Cretaceous Brown Coals from Ajka (Central Transdanubia, Hungary). University of Szeged, Department of Mineralogy, Geochemistry and Petrology: Szeged, 1996.

MLA idézés

Pápay László. The Distribution of Sulphur in Upper Cretaceous Brown Coals from Ajka (Central Transdanubia, Hungary). Szeged, 1996.