Bedford, F. W. (1970). Vector calculus. McGraw-Hill.
Cita Chicago (17th ed.)Bedford, F. W. Vector Calculus. New York: McGraw-Hill, 1970.
Cita MLA (9th ed.)Bedford, F. W. Vector Calculus. McGraw-Hill, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.