Gaya APA

Dr.LelyArrienie, M, D, D, Y. (2007). Work Motivation: history, theory, research, and practice (1). London: Defamedia Pustaka.

Gaya MLA

Dr.LelyArrienie, M.Si, Dan, Dr.Ika, Yuliasari,ST.,SIP.,M.Si. "Work Motivation: history, theory, research, and practice". 1 London: Defamedia Pustaka, 2007. Text.