THOMAS GEORGE B. (1998). CALCULUS AND ANALYTIC GEOMETRY (6TH.). NAROSA PUBLISHING HOUSE.
Cita Chicago (17th ed.)THOMAS GEORGE B. CALCULUS AND ANALYTIC GEOMETRY. 6TH. NEW DELHI: NAROSA PUBLISHING HOUSE, 1998.
Cita MLA (9th ed.)THOMAS GEORGE B. CALCULUS AND ANALYTIC GEOMETRY. 6TH. NAROSA PUBLISHING HOUSE, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.