Penggayaan APA
BETTGER, Frank. (1983).
How i raised muself from failure to success in selling .
New York:
Fireside.
Chicago Style
BETTGER, Frank.
How i raised muself from failure to success in selling.
New York:
Fireside,
1983.
Text.
MLA Style
BETTGER, Frank.
How i raised muself from failure to success in selling.
New York:
Fireside,
1983.
Text.
Turabian Style
BETTGER, Frank.
How i raised muself from failure to success in selling.
New York:
Fireside,
1983.
Print.