Sage, A. P. (1977). Systems engineering: Methodology and applications. Institute of Electrical and Electronics Engineers.
Citação norma ChicagoSage, Andrew P. Systems Engineering: Methodology and Applications. New York: Institute of Electrical and Electronics Engineers, 1977.
Citação norma MLASage, Andrew P. Systems Engineering: Methodology and Applications. Institute of Electrical and Electronics Engineers, 1977.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.