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.
Цитирование в стиле Чикаго (17-е изд.)Reid, James M., Jr, и Anne Silleck. Better Business Letters: A Self-instructional Book to Develop Skill in Writing. 4th ed. Reading, Massachusetts: Addison-Wesley Publishing Company, Inc, 1990.
Цитирование MLA (9-е изд.)Reid, James M., Jr, и Anne Silleck. Better Business Letters: A Self-instructional Book to Develop Skill in Writing. 4th ed. Addison-Wesley Publishing Company, Inc, 1990.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.