Παραπομπή APA

Licker, P. S. (1987). Fundamentals of systems analysis. Boyd & Fraser.

Παραπομπή Chicago Style

Licker, Paul S. Fundamentals of Systems Analysis. Boston: Boyd & Fraser, 1987.

Παραπομπή MLA

Licker, Paul S. Fundamentals of Systems Analysis. Boyd & Fraser, 1987.