Citazione Stile APA (7a Edizione)

MCCOMAS D C. (1993). MODERN BUSINESS CORRESPONDENCE (6TH.). MACMILLAN.

Citazione stile Chigago Style (17a edizione)

MCCOMAS D C. MODERN BUSINESS CORRESPONDENCE. 6TH. U.S.A: MACMILLAN, 1993.

Citatione MLA (9a ed.)

MCCOMAS D C. MODERN BUSINESS CORRESPONDENCE. 6TH. MACMILLAN, 1993.