Truxal, J. Q. (1972). Introductory systems engineering. McGraw-Hill Book Company.
Cita Chicago (17th ed.)Truxal, John Q. Introductory Systems Engineering. New York: McGraw-Hill Book Company, 1972.
Cita MLA (9th ed.)Truxal, John Q. Introductory Systems Engineering. McGraw-Hill Book Company, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.