Chambré, P. L. (1967). Notes for Mathematics 120: Part I. Prentice-Hall Inc.
Cita Chicago (17th ed.)Chambré, Paul L. Notes for Mathematics 120: Part I. Englewood Cliffs: Prentice-Hall Inc, 1967.
Cita MLA (9th ed.)Chambré, Paul L. Notes for Mathematics 120: Part I. Prentice-Hall Inc, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.