Penggayaan APA
EWALD, Helen Rothschild. (1997).
Business communication (1, cet.1.).
New Jersey:
Prentice Hall.
Chicago Style
EWALD, Helen Rothschild.
Business communication.
1, cet.1.
New Jersey:
Prentice Hall,
1997.
Buku.
MLA Style
EWALD, Helen Rothschild.
Business communication.
1, cet.1.
New Jersey:
Prentice Hall,
1997.
Buku.
Turabian Style
EWALD, Helen Rothschild.
Business communication.
1, cet.1.
New Jersey:
Prentice Hall,
1997.
Buku.