APA Style
Schiffman, Stephan. (2013).
Secrets of Selling Services .
United States of America:
Mc Graw Hill.
Chicago Style
Schiffman, Stephan.
Secrets of Selling Services.
United States of America:
Mc Graw Hill,
2013.
Buku Teks.
MLA Style
Schiffman, Stephan.
Secrets of Selling Services.
United States of America:
Mc Graw Hill,
2013.
Buku Teks.
Turabian Style
Schiffman, Stephan.
Secrets of Selling Services.
United States of America:
Mc Graw Hill,
2013.
Buku Teks.