Gaya APA
Kossen, Stan.. (1977).
Creative selling today Stan Kossen .
San Francisco:
Canfield Press.
Gaya Chicago
Kossen, Stan..
Creative selling today Stan Kossen.
San Francisco:
Canfield Press,
1977.
Text.
Gaya MLA
Kossen, Stan..
Creative selling today Stan Kossen.
San Francisco:
Canfield Press,
1977.
Text.
Gaya Turabian
Kossen, Stan..
Creative selling today Stan Kossen.
San Francisco:
Canfield Press,
1977.
Print.