Gaya APA
Haggblade, Berle. (1982).
Business Communication .
St. Paul:
West Publishing Co..
Gaya Chicago
Haggblade, Berle.
Business Communication.
St. Paul:
West Publishing Co.,
1982.
Buku.
Gaya MLA
Haggblade, Berle.
Business Communication.
St. Paul:
West Publishing Co.,
1982.
Buku.
Gaya Turabian
Haggblade, Berle.
Business Communication.
St. Paul:
West Publishing Co.,
1982.
Buku.