Spiegel, M. R. (1959). Vector Analysis: And an introduction to tensor analysis. McGraw-Hill.
Cita Chicago (17th ed.)Spiegel, Murray R. Vector Analysis: And an Introduction to Tensor Analysis. New York: McGraw-Hill, 1959.
Cita MLA (9th ed.)Spiegel, Murray R. Vector Analysis: And an Introduction to Tensor Analysis. McGraw-Hill, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.