Παραπομπή APA

Rubin, M. L., & Harrell, T. (1970). Introduction to the Systems Life Cycle. Brandonal Systems Press.

Παραπομπή Chicago Style

Rubin, Martin L., και Thomas Harrell. Introduction to the Systems Life Cycle. Princeton: Brandonal Systems Press, 1970.

Παραπομπή MLA

Rubin, Martin L., και Thomas Harrell. Introduction to the Systems Life Cycle. Brandonal Systems Press, 1970.