APA-referens (7:e uppl.)

TINGLEY JUDITH C. (2001). POWER OF INDIRECT INFLUENCE. AMACOM.

Chicago-referens (17:e uppl.)

TINGLEY JUDITH C. POWER OF INDIRECT INFLUENCE. NEW YORK: AMACOM, 2001.

MLA-referens (9:e uppl.)

TINGLEY JUDITH C. POWER OF INDIRECT INFLUENCE. AMACOM, 2001.