APA
(2010). Human Resources 09/10. New York: McGraw-Hill Companies, Inc.
Chicago
2010. Human Resources 09/10. New York: McGraw-Hill Companies, Inc.
Harvard
(2010). Human Resources 09/10. New York: McGraw-Hill Companies, Inc.
MLA
Human Resources 09/10. New York: McGraw-Hill Companies, Inc. 2010.