Schiffman, S. (1991). Cold calling techniques (that really work!). Golden Books Centre.
Chicago Style (17th ed.) CitationSchiffman, Stephen. Cold Calling Techniques (that Really Work!). Kuala Lumpur: Golden Books Centre, 1991.
MLA (9th ed.) CitationSchiffman, Stephen. Cold Calling Techniques (that Really Work!). Golden Books Centre, 1991.
Warning: These citations may not always be 100% accurate.