Παραπομπή APA

Lee, A. M. (1970). Systems analysis frame works. Macmillan Co.

Παραπομπή Chicago Style

Lee, Alec M. Systems Analysis Frame Works. London: Macmillan Co, 1970.

Παραπομπή MLA

Lee, Alec M. Systems Analysis Frame Works. Macmillan Co, 1970.