Whitehead, G. W. (1996). Business correspondence: A practical guide to effective business communication.
Chicago-стиль цитированияWhitehead, Geoffrey; Whitehead. Business Correspondence: A Practical Guide to Effective Business Communication. a. h. wheeler & co., Pvt. Ltd.:New Delhi, 1996.
MLA-цитированиеWhitehead, Geoffrey; Whitehead. Business Correspondence: A Practical Guide to Effective Business Communication. 1996.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.