APA Style
Clark, R. Lyn. (1999).
Business english and communication .
New York:
McGraw-Hill.
Chicago Style
Clark, R. Lyn.
Business english and communication.
New York:
McGraw-Hill,
1999.
Buku.
MLA Style
Clark, R. Lyn.
Business english and communication.
New York:
McGraw-Hill,
1999.
Buku.
Turabian Style
Clark, R. Lyn.
Business english and communication.
New York:
McGraw-Hill,
1999.
Buku.