APA-referens (7:e uppl.)

FRIEDMAN N J. (1995). TELEPHONE SKILLS FROM A TO Z. CRISP PUBLICATION.

Chicago-referens (17:e uppl.)

FRIEDMAN N J. TELEPHONE SKILLS FROM A TO Z. CALIFORNIA: CRISP PUBLICATION, 1995.

MLA-referens (9:e uppl.)

FRIEDMAN N J. TELEPHONE SKILLS FROM A TO Z. CRISP PUBLICATION, 1995.