Gaya APA
Beatty, Jack. (1998).
World According to Peter Drucker .
:
Free Press.
Gaya Chicago
Beatty, Jack.
World According to Peter Drucker.
:
Free Press,
1998.
Academic.
Gaya MLA
Beatty, Jack.
World According to Peter Drucker.
:
Free Press,
1998.
Academic.
Gaya Turabian
Beatty, Jack.
World According to Peter Drucker.
:
Free Press,
1998.
Academic.