एपीए उद्धरण

Gustafson, K. E., & Rao, D. K. M. (1997). Numerical range: The field of values of linear operators and matrices. Springer.

शिकागो स्टाइल उद्धरण

Gustafson, Karl E., और Duggirala K. M. Rao. Numerical Range: The Field of Values of Linear Operators and Matrices. New York: Springer, 1997.

एमएलए उद्धरण

Gustafson, Karl E., और Duggirala K. M. Rao. Numerical Range: The Field of Values of Linear Operators and Matrices. Springer, 1997.