Gaya APA
Human resource management. (1999).
London:
Prentice Hall Inc..
Gaya Chicago
Human resource management.
.
London:
Prentice Hall Inc.,
1999.
Buku.
Gaya MLA
Human resource management.
.
London:
Prentice Hall Inc.,
1999.
Buku.
Gaya Turabian
Human resource management.
London:
Prentice Hall Inc.,
1999.
Buku.