Gaya APA
Cook, Roy A, Cook, Gwen O. (2011).
Guide to business atiquette .
United states:
Pearson Education.
Gaya Chicago
Cook, Roy A, Cook, Gwen O.
Guide to business atiquette.
United states:
Pearson Education,
2011.
Text.
Gaya MLA
Cook, Roy A, Cook, Gwen O.
Guide to business atiquette.
United states:
Pearson Education,
2011.
Text.
Gaya Turabian
Cook, Roy A, Cook, Gwen O.
Guide to business atiquette.
United states:
Pearson Education,
2011.
Print.