APA aipamena

Sybrands, W. CO_1501: Sybrands Wilfried.

Chicago Style aipamena

Sybrands, Wilfried. CO_1501: Sybrands Wilfried.

MLA aipamena

Sybrands, Wilfried. CO_1501: Sybrands Wilfried.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.