APA Style

Reid, J, M., Silleck, A. (1990). Better Business Letters : A self-instructional book to develop skill in writing / James M. Reid and Anne Silleck (4). Massachusetts.: Addison-Wesley.

MLA Style

Reid, James, M.., Silleck, Anne. "Better Business Letters : A self-instructional book to develop skill in writing / James M. Reid and Anne Silleck". 4 Massachusetts.: Addison-Wesley, 1990. Textbook ห้องสมุดทั่วไป.