Cita APA (7a ed.)

BARNES C. (1988). PROFESSIONAL EXCELLENCE FOR SECRETARIES. CRISP PUBLICATION.

Cita Chicago Style (17a ed.)

BARNES C. PROFESSIONAL EXCELLENCE FOR SECRETARIES. CALIFORNIA: CRISP PUBLICATION, 1988.

Cita MLA (9a ed.)

BARNES C. PROFESSIONAL EXCELLENCE FOR SECRETARIES. CRISP PUBLICATION, 1988.