Gaya APA
Russell, Frederic A., dkk. (1978).
Grolier business library: Textbook of salesmanship .
United Stated of Amerika:
Mc Graw Hill.
Gaya Chicago
Russell, Frederic A., dkk.
Grolier business library: Textbook of salesmanship.
United Stated of Amerika:
Mc Graw Hill,
1978.
Text.
Gaya MLA
Russell, Frederic A., dkk.
Grolier business library: Textbook of salesmanship.
United Stated of Amerika:
Mc Graw Hill,
1978.
Text.
Gaya Turabian
Russell, Frederic A., dkk.
Grolier business library: Textbook of salesmanship.
United Stated of Amerika:
Mc Graw Hill,
1978.
Print.