APA (7. basım) Alıntı

Leffingwell, W. (1975). Text book of office management (3rd.). McGraw Hill.

Chicago Style (17. basım) Atıf

Leffingwell, W. Text Book of Office Management. 3rd. New Delhi: McGraw Hill, 1975.

MLA (9th ed.) Atıf

Leffingwell, W. Text Book of Office Management. 3rd. McGraw Hill, 1975.