Gaya APA
Ryan, William E.. ().
Principles of Marketing : Self Review .
:
McGraw-Hill/Irwin,.
Gaya Chicago
Ryan, William E..
Principles of Marketing : Self Review.
:
McGraw-Hill/Irwin,,
.
Text.
Gaya MLA
Ryan, William E..
Principles of Marketing : Self Review.
:
McGraw-Hill/Irwin,,
.
Text.
Gaya Turabian
Ryan, William E..
Principles of Marketing : Self Review.
:
McGraw-Hill/Irwin,,
.
Print.