Gaya APA
WERTHER, W, B., DAVIS, K. (1996).
Human resources and personnel management (5th ed.).
New York:
Irwin McGraw-Hill.
Gaya MLA
WERTHER, William, B.., DAVIS, Keith.
"Human resources and personnel management".
5th ed.
New York:
Irwin McGraw-Hill,
1996.
Buku.