Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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