Gaya APA
Business Communication. (2003).
Boston:
Harvard Business School Pess.
Gaya Chicago
Business Communication.
.
Boston:
Harvard Business School Pess,
2003.
Buku Tex.
Gaya MLA
Business Communication.
.
Boston:
Harvard Business School Pess,
2003.
Buku Tex.
Gaya Turabian
Business Communication.
Boston:
Harvard Business School Pess,
2003.
Buku Tex.