Gaya APA
Ivey, Paul W., Tonning, Wayland A.. (1961).
Successful salesmanship by Paul W. Ivey, Walter Horvath [and] Wayland A. Tonning (4th ed.).
Englewood Cliffs:
Prentice Hall.
Gaya Chicago
Ivey, Paul W., Tonning, Wayland A..
Successful salesmanship by Paul W. Ivey, Walter Horvath [and] Wayland A. Tonning.
4th ed.
Englewood Cliffs:
Prentice Hall,
1961.
Text.
Gaya MLA
Ivey, Paul W., Tonning, Wayland A..
Successful salesmanship by Paul W. Ivey, Walter Horvath [and] Wayland A. Tonning.
4th ed.
Englewood Cliffs:
Prentice Hall,
1961.
Text.
Gaya Turabian
Ivey, Paul W., Tonning, Wayland A..
Successful salesmanship by Paul W. Ivey, Walter Horvath [and] Wayland A. Tonning.
4th ed.
Englewood Cliffs:
Prentice Hall,
1961.
Print.