APA-viite (7. p.)

Thomsett, M. C. (1988). The little black book of business letters. American Management Association.

Chicago-viite (17. p.)

Thomsett, Michael C. The Little Black Book of Business Letters. New York, NY: American Management Association, 1988.

MLA-viite (9. p.)

Thomsett, Michael C. The Little Black Book of Business Letters. American Management Association, 1988.