Cita APA (7a ed.)

JOHNSON KERRY L. (1994). SALES MAGIC. REVOLUTIONARY NEW TECHNIQUES THAT WILL DOUBLE YOUR SALES VOLUMES IN 21 DAYS. WILLIAM MORROW.

Cita Chicago Style (17a ed.)

JOHNSON KERRY L. SALES MAGIC. REVOLUTIONARY NEW TECHNIQUES THAT WILL DOUBLE YOUR SALES VOLUMES IN 21 DAYS. NEW YORK: WILLIAM MORROW, 1994.

Cita MLA (9a ed.)

JOHNSON KERRY L. SALES MAGIC. REVOLUTIONARY NEW TECHNIQUES THAT WILL DOUBLE YOUR SALES VOLUMES IN 21 DAYS. WILLIAM MORROW, 1994.