Gaya APA
Bittel, Lester Robert. (1985).
Encyclopedia of professional management - volume 1 (Volume 1).
USA:
Grolier International, Inc.
Gaya Chicago
Bittel, Lester Robert.
Encyclopedia of professional management - volume 1.
Volume 1
USA:
Grolier International, Inc,
1985.
Text.
Gaya MLA
Bittel, Lester Robert.
Encyclopedia of professional management - volume 1.
Volume 1
USA:
Grolier International, Inc,
1985.
Text.
Gaya Turabian
Bittel, Lester Robert.
Encyclopedia of professional management - volume 1.
Volume 1
USA:
Grolier International, Inc,
1985.
Print.