Gaya APA
Webster's Guide to Business Correspondence. (1988).
Massahusetts:
Merriam-Webster, Inc..
Gaya Chicago
Webster's Guide to Business Correspondence.
.
Massahusetts:
Merriam-Webster, Inc.,
1988.
Text.
Gaya MLA
Webster's Guide to Business Correspondence.
.
Massahusetts:
Merriam-Webster, Inc.,
1988.
Text.
Gaya Turabian
Webster's Guide to Business Correspondence.
Massahusetts:
Merriam-Webster, Inc.,
1988.
Print.