APA
Armstrong S., Mitchell B., . (2008). The essential HR Handbook: a quick and handy resource for any manager or HR professional. United States: Career Press.
Chicago
Armstrong Sharon, Mitchell Barbara, . 2008. The essential HR Handbook: a quick and handy resource for any manager or HR professional. United States: Career Press.
Harvard
Armstrong S., Mitchell B., . (2008). The essential HR Handbook: a quick and handy resource for any manager or HR professional. United States: Career Press.
MLA
Armstrong Sharon, Mitchell Barbara, . The essential HR Handbook: a quick and handy resource for any manager or HR professional. United States: Career Press. 2008.