Gaya APA

Nagy, B, (., Colombo, U. (1967). Fundamental aspects of petroleum geochemistry (Fotocopy) (1967). : New York : Elsevier Publishing Company,.

Gaya MLA

Nagy, Bartholomew, (Edited)., Colombo, Umberto. "Fundamental aspects of petroleum geochemistry (Fotocopy)". 1967 : New York : Elsevier Publishing Company,, 1967. Text.