Gaya APA

Chilingarian, G, V. (1978). Bitumens, Asphalts and Tar Sands; Development in Petroleum Science 7 (E-Book) . Amsterdam: ELSEVIER SCIENTIFIC PUBLISHING COMPANY.

Gaya MLA

Chilingarian, G., V.. "Bitumens, Asphalts and Tar Sands; Development in Petroleum Science 7 (E-Book)". Amsterdam: ELSEVIER SCIENTIFIC PUBLISHING COMPANY, 1978. Text.