Spiegel, M. R. (1974). Schaum's outline of theory and problems of vector analysis and an introduction to tensor analysis (SI (Metric) ed.). McGwraw Hill, Inc..
Lua i Stíl Chicago (17ú heag.)Spiegel, Murray R. Schaum's Outline of Theory and Problems of Vector Analysis and an Introduction to Tensor Analysis. SI (Metric) ed. New York: McGwraw Hill, Inc., 1974.
Lua MLA (8ú heag.)Spiegel, Murray R. Schaum's Outline of Theory and Problems of Vector Analysis and an Introduction to Tensor Analysis. SI (Metric) ed. McGwraw Hill, Inc., 1974.
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