Gaya APA
Wilkie, Helen. (2001).
Writing, Speaking, Listening: The Essentials of Business Communication .
United Kingdom:
How To Books Ltd.
Gaya Chicago
Wilkie, Helen.
Writing, Speaking, Listening: The Essentials of Business Communication.
United Kingdom:
How To Books Ltd,
2001.
.
Gaya MLA
Wilkie, Helen.
Writing, Speaking, Listening: The Essentials of Business Communication.
United Kingdom:
How To Books Ltd,
2001.
.
Gaya Turabian
Wilkie, Helen.
Writing, Speaking, Listening: The Essentials of Business Communication.
United Kingdom:
How To Books Ltd,
2001.
.