APA aipamena

Gibbons, T. M. (1973). Waves in nature. Heinemann Educational.

Chicago Style aipamena

Gibbons, Trevor M. Waves in Nature. South Yarra, Vic.: Heinemann Educational, 1973.

MLA aipamena

Gibbons, Trevor M. Waves in Nature. Heinemann Educational, 1973.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.