Styl cytowania APA

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

Styl cytowania Chicago

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

Styl cytowania MLA

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