Gaya APA
Greif, Edwin Charles. (1958).
Modern salesmanship principle and problems Edwin Charles Greif .
Englewood Cliffs:
Prentice Hall.
Gaya Chicago
Greif, Edwin Charles.
Modern salesmanship principle and problems Edwin Charles Greif.
Englewood Cliffs:
Prentice Hall,
1958.
Text.
Gaya MLA
Greif, Edwin Charles.
Modern salesmanship principle and problems Edwin Charles Greif.
Englewood Cliffs:
Prentice Hall,
1958.
Text.
Gaya Turabian
Greif, Edwin Charles.
Modern salesmanship principle and problems Edwin Charles Greif.
Englewood Cliffs:
Prentice Hall,
1958.
Print.