Cook, Roy A. Guide to business etiquette / Roy A. Cook, Gwen O. Cook. - 2nd ed. - Boston : Prentice Hall, 2011. - xiii, 128 p. : ill. ; 21 cm. - Prentice Hall guide to series in business communication . Includes bibliographical references (p. 123-124) and index. ISBN: 9780137075041 RM120.00 0137075049 Subjects--Topical Terms: Business etiquette.