Gaya APA
Locker, Kitty. (2006).
Business and administrative communication (7th edition).
Singapore:
Mc Graw Hill.
Gaya Chicago
Locker, Kitty.
Business and administrative communication.
7th edition
Singapore:
Mc Graw Hill,
2006.
Text.
Gaya MLA
Locker, Kitty.
Business and administrative communication.
7th edition
Singapore:
Mc Graw Hill,
2006.
Text.
Gaya Turabian
Locker, Kitty.
Business and administrative communication.
7th edition
Singapore:
Mc Graw Hill,
2006.
Print.