Gaya APA
Elfenbein, Julien. (1967).
Business Letters And Communicatons .
New York:
Alexander Hamilton Institute.
Gaya Chicago
Elfenbein, Julien.
Business Letters And Communicatons.
New York:
Alexander Hamilton Institute,
1967.
Text.
Gaya MLA
Elfenbein, Julien.
Business Letters And Communicatons.
New York:
Alexander Hamilton Institute,
1967.
Text.
Gaya Turabian
Elfenbein, Julien.
Business Letters And Communicatons.
New York:
Alexander Hamilton Institute,
1967.
Print.