Παραπομπή APA

Shirley taylor & Leonard Gartside. (1992). Gartsides Model business letters and other business documents (Ed.5.). Pitman publishing.

Παραπομπή Chicago Style

Shirley taylor και Leonard Gartside. Gartsides Model Business Letters and Other Business Documents. Ed.5. UK: Pitman publishing, 1992.

Παραπομπή MLA

Shirley taylor και Leonard Gartside. Gartsides Model Business Letters and Other Business Documents. Ed.5. Pitman publishing, 1992.