Gaya APA
Dobson,Ann. (1999).
Grolier Business Library Writing Business Letters (Deluxe Edition).
Malaysia:
Grolier International.
Gaya Chicago
Dobson,Ann.
Grolier Business Library Writing Business Letters.
Deluxe Edition
Malaysia:
Grolier International,
1999.
Text.
Gaya MLA
Dobson,Ann.
Grolier Business Library Writing Business Letters.
Deluxe Edition
Malaysia:
Grolier International,
1999.
Text.
Gaya Turabian
Dobson,Ann.
Grolier Business Library Writing Business Letters.
Deluxe Edition
Malaysia:
Grolier International,
1999.
Print.