Παραπομπή APA

Perry,William E. (1985). Data processing budgets: How to develop and use budgets effectively (management perspective). Prentice Hall.

Παραπομπή Chicago Style

Perry,William E. Data Processing Budgets: How to Develop and Use Budgets Effectively (management Perspective). New Jersey: Prentice Hall, 1985.

Παραπομπή MLA

Perry,William E. Data Processing Budgets: How to Develop and Use Budgets Effectively (management Perspective). Prentice Hall, 1985.