Cita APA (7a ed.)

LEFFINGWELL, W. H. (1975). Textbook Of Office Management William H. Leffingwell Dan Edwin M. Robinson. McGraw-Hill.

Cita Chicago Style (17a ed.)

LEFFINGWELL, William H. Textbook Of Office Management William H. Leffingwell Dan Edwin M. Robinson. McGraw-Hill, 1975.

Cita MLA (8a ed.)

LEFFINGWELL, William H. Textbook Of Office Management William H. Leffingwell Dan Edwin M. Robinson. McGraw-Hill, 1975.