APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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