APA aipamena

Sayeed, A. (2011). Trends in objective geology.Ed.3. CBS Publishers and Distributors.

Chicago Style aipamena

Sayeed, Ausaf. Trends in Objective Geology.Ed.3. CBS Publishers and Distributors, 2011.

MLA aipamena

Sayeed, Ausaf. Trends in Objective Geology.Ed.3. CBS Publishers and Distributors, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.