Παραπομπή APA

Poe, R. W. (1994). McGraw Hill handbook of business letters (3rd ed.). Mc Graw Hill.

Παραπομπή Chicago Style

Poe, Roy W. McGraw Hill Handbook of Business Letters. 3rd ed. New York: Mc Graw Hill, 1994.

Παραπομπή MLA

Poe, Roy W. McGraw Hill Handbook of Business Letters. 3rd ed. Mc Graw Hill, 1994.