Παραπομπή APA

Condon, R. J. (1975). Data processing systems analysis and design. Reston.

Παραπομπή Chicago Style

Condon, Robert J. Data Processing Systems Analysis and Design. Virginia: Reston, 1975.

Παραπομπή MLA

Condon, Robert J. Data Processing Systems Analysis and Design. Reston, 1975.