Reid, J. M., Jr, & Silleck, A. (1990). Better business letters: A self-instructional book to develop skill in writing (4th ed.). Addison-Wesley Publishing Company, Inc.
Citazione stile Chigago Style (17a edizione)Reid, James M., Jr, e Anne Silleck. Better Business Letters: A Self-instructional Book to Develop Skill in Writing. 4th ed. Reading, Massachusetts: Addison-Wesley Publishing Company, Inc, 1990.
Citatione MLA (9a ed.)Reid, James M., Jr, e Anne Silleck. Better Business Letters: A Self-instructional Book to Develop Skill in Writing. 4th ed. Addison-Wesley Publishing Company, Inc, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.