APA aipamena

(2011). GATE 2012: Civil engineering. Koncept books.

Chicago Style aipamena

GATE 2012: Civil Engineering. Dehradun: Koncept books, 2011.

MLA aipamena

GATE 2012: Civil Engineering. Koncept books, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.