APA Style

Locker, K, O. (1993). The Irwin business communication handbook : Writing and speaking in business classes / Kitty O. Locker (1). Homewood,ill: Richard D. Irwin.

MLA Style

Locker, Kitty, O.. "The Irwin business communication handbook : Writing and speaking in business classes / Kitty O. Locker". 1 Homewood,ill: Richard D. Irwin, 1993. Textbook ห้องสมุดทั่วไป.