Gaya APA
FUTRELL,Charles. (1984).
Fundamentals of selling .
America:
Richard D.Irwin.
Gaya Chicago
FUTRELL,Charles.
Fundamentals of selling.
America:
Richard D.Irwin,
1984.
Text.
Gaya MLA
FUTRELL,Charles.
Fundamentals of selling.
America:
Richard D.Irwin,
1984.
Text.
Gaya Turabian
FUTRELL,Charles.
Fundamentals of selling.
America:
Richard D.Irwin,
1984.
Print.