Cita APA

Vickery, B. C. (1973). Information systems. Butterwork.

Chicago Edition Citation

Vickery, B. C. Information Systems. London: Butterwork, 1973.

Cita MLA

Vickery, B. C. Information Systems. Butterwork, 1973.

Atenció: Aquestes cites poden no estar 100% correctes.