Παραπομπή APA

Dallas, R. J., & Thompson, J. M. (1975). Clerical and secretarial systems for the office.

Παραπομπή Chicago Style

Dallas, Richard J., και James M. Thompson. Clerical and Secretarial Systems for the Office. 1975.

Παραπομπή MLA

Dallas, Richard J., και James M. Thompson. Clerical and Secretarial Systems for the Office. 1975.