APA aipamena

Shirley Taylor, L. G. (2004). Model business letters, E.mail and other business documents.

Chicago Style aipamena

Shirley Taylor, L. Gartside. Model Business Letters, E.mail and Other Business Documents. 2004.

MLA aipamena

Shirley Taylor, L. Gartside. Model Business Letters, E.mail and Other Business Documents. 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.