APA Citatie

Guffey, M. E. (1998). Professional writer's electronic resource. Version 1.0. Disk 3-4 (version 1.0.). Cincinnati, OH: South-Western College.

Chicago Style citaat

Guffey, Mary Ellen. Professional Writer's Electronic Resource. Version 1.0. Disk 3-4. version 1.0. Cincinnati, OH: South-Western College, 1998.

MLA citatie

Guffey, Mary Ellen. Professional Writer's Electronic Resource. Version 1.0. Disk 3-4. version 1.0. Cincinnati, OH: South-Western College, 1998.

Let op: Deze citaties zijn niet altijd 100% accuraat.