APA aipamena

(1988). Verbs. Bicester, England: Winslow Press.

Chicago Style aipamena

Verbs. Bicester, England: Winslow Press, 1988.

MLA aipamena

Verbs. Bicester, England: Winslow Press, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.