APA aipamena

D.Venkat Reddy. (2010). Engineering Geology. Vikas.

Chicago Style aipamena

D.Venkat Reddy. Engineering Geology. Noida: Vikas, 2010.

MLA aipamena

D.Venkat Reddy. Engineering Geology. Vikas, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.