Gaya APA
Ferber, Robert. (1974).
Handbook of Marketing Research .
United States of America:
Mc Graw-Hill.
Gaya Chicago
Ferber, Robert.
Handbook of Marketing Research.
United States of America:
Mc Graw-Hill,
1974.
Texts.
Gaya MLA
Ferber, Robert.
Handbook of Marketing Research.
United States of America:
Mc Graw-Hill,
1974.
Texts.
Gaya Turabian
Ferber, Robert.
Handbook of Marketing Research.
United States of America:
Mc Graw-Hill,
1974.
Texts.