APA aipamena

Littlejohn, A. (1991). Writing 1. Great Britain: Cambridge.

Chicago Style aipamena

Littlejohn, Andrew. Writing 1. Great Britain: Cambridge, 1991.

MLA aipamena

Littlejohn, Andrew. Writing 1. Great Britain: Cambridge, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.