Chestnut, H. (1965). Systems engineering tools (1a ed.). John Wiley & Sons Limited.
Cita Chicago Style (17a ed.)Chestnut, Harold. Systems Engineering Tools. 1a ed. New York: John Wiley & Sons Limited, 1965.
Cita MLA (9a ed.)Chestnut, Harold. Systems Engineering Tools. 1a ed. John Wiley & Sons Limited, 1965.
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