APA aipamena

Berwick, G. (2009). Science and Environment,Series 1. TP.HCM: NXB tổng hợp.

Chicago Style aipamena

Berwick, Gwen. Science and Environment,Series 1. TP.HCM: NXB tổng hợp, 2009.

MLA aipamena

Berwick, Gwen. Science and Environment,Series 1. TP.HCM: NXB tổng hợp, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.