Gaya APA
Cox, William Edwin. (1979).
Industrial marketing research .
Canada:
John Wiley & Sons, Inc..
Gaya Chicago
Cox, William Edwin.
Industrial marketing research.
Canada:
John Wiley & Sons, Inc.,
1979.
Text.
Gaya MLA
Cox, William Edwin.
Industrial marketing research.
Canada:
John Wiley & Sons, Inc.,
1979.
Text.
Gaya Turabian
Cox, William Edwin.
Industrial marketing research.
Canada:
John Wiley & Sons, Inc.,
1979.
Print.