Gaya APA
Practice Book for Writers. (1988).
New York:
Random House, Inc.
Gaya Chicago
Practice Book for Writers.
Ed.1.
New York:
Random House, Inc,
1988.
.
Gaya MLA
Practice Book for Writers.
Ed.1.
New York:
Random House, Inc,
1988.
.
Gaya Turabian
Practice Book for Writers.
New York:
Random House, Inc,
1988.
.