Παραπομπή APA

Lee, H. I., & Barr, W. N. (1965). Practical secretarial work/4e (4th ed.). Sir Isaac pitman & sons limitd.

Παραπομπή Chicago Style

Lee, Henry I., και William N. Barr. Practical Secretarial Work/4e. 4th ed. London: Sir Isaac pitman & sons limitd, 1965.

Παραπομπή MLA

Lee, Henry I., και William N. Barr. Practical Secretarial Work/4e. 4th ed. Sir Isaac pitman & sons limitd, 1965.