Gaya APA
Elfenbein, Julian. (1976).
Modern Business : Business Letters and Communication .
USA:
Grolier International Inc..
Gaya Chicago
Elfenbein, Julian.
Modern Business : Business Letters and Communication.
USA:
Grolier International Inc.,
1976.
Texts.
Gaya MLA
Elfenbein, Julian.
Modern Business : Business Letters and Communication.
USA:
Grolier International Inc.,
1976.
Texts.
Gaya Turabian
Elfenbein, Julian.
Modern Business : Business Letters and Communication.
USA:
Grolier International Inc.,
1976.
Texts.