Penggayaan APA
RUSSEL, Frederica. (1988).
Selling principles and practices .
New York:
Mc.Graw-Hill.
Chicago Style
RUSSEL, Frederica.
Selling principles and practices.
New York:
Mc.Graw-Hill,
1988.
Buku.
MLA Style
RUSSEL, Frederica.
Selling principles and practices.
New York:
Mc.Graw-Hill,
1988.
Buku.
Turabian Style
RUSSEL, Frederica.
Selling principles and practices.
New York:
Mc.Graw-Hill,
1988.
Buku.