Cita APA (7th ed.)

CLARK, J. L., & CLARK, L. R. (1982). How 4: A handbook for office workers.-- ed.4. Kent Publishing Co.

Cita Chicago (17th ed.)

CLARK, James L., i Lyn R. CLARK. How 4: A Handbook for Office Workers.-- Ed.4. Boston: Kent Publishing Co, 1982.

Cita MLA (9th ed.)

CLARK, James L., i Lyn R. CLARK. How 4: A Handbook for Office Workers.-- Ed.4. Kent Publishing Co, 1982.