APA-Zitierstil (7. Ausg.)

Leff, L. S. (1984). Data processing the easy way. Barron's Educational Series.

Chicago-Zitierstil (17. Ausg.)

Leff, Lawrence S. Data Processing the Easy Way. Woodbury, NY: Barron's Educational Series, 1984.

MLA-Zitierstil (9. Ausg.)

Leff, Lawrence S. Data Processing the Easy Way. Barron's Educational Series, 1984.