Gaya APA
KREITNER, R., KINICKI, A. (1998).
Organizational behavior (4th ed.).
United States of America:
Mcgraw-hill Companies .
Gaya MLA
KREITNER, Robert., KINICKI, Angelo.
"Organizational behavior".
4th ed.
United States of America:
Mcgraw-hill Companies ,
1998.
Buku.