Gaya APA
Robbins, Stephen P. (2000).
Managing today (2e).
London:
Prentice Hall.
Gaya Chicago
Robbins, Stephen P.
Managing today.
2e
London:
Prentice Hall,
2000.
Buku.
Gaya MLA
Robbins, Stephen P.
Managing today.
2e
London:
Prentice Hall,
2000.
Buku.
Gaya Turabian
Robbins, Stephen P.
Managing today.
2e
London:
Prentice Hall,
2000.
Buku.