SPIEGEL MURRY R. (1974). SCHAUMS VECTOR ANALYSIS. MCGRAW HILL.
Cita Chicago (17th ed.)SPIEGEL MURRY R. SCHAUMS VECTOR ANALYSIS. NEW-YORK: MCGRAW HILL, 1974.
Cita MLA (9th ed.)SPIEGEL MURRY R. SCHAUMS VECTOR ANALYSIS. MCGRAW HILL, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.