APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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