Παραπομπή APA

Cotterman, W. W. (1981). Systems analysis and design: A foundation for the 1980΄s. New York: North-Holland.

Παραπομπή Chicago Style

Cotterman, William W. Systems Analysis and Design: A Foundation for the 1980΄s. New York: North-Holland, 1981.

Παραπομπή MLA

Cotterman, William W. Systems Analysis and Design: A Foundation for the 1980΄s. New York: North-Holland, 1981.

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