Cita APA (7th ed.)

BLACK JOANNE S. (2006). NO MORE COLD CALLING. WARNER BUSINESS BOOKS.

Cita Chicago (17th ed.)

BLACK JOANNE S. NO MORE COLD CALLING. NEW YORK: WARNER BUSINESS BOOKS, 2006.

Cita MLA (9th ed.)

BLACK JOANNE S. NO MORE COLD CALLING. WARNER BUSINESS BOOKS, 2006.