Allendoerfer, C. B. (1969). Principles of mathematics. McGraw-Hill.
Cita Chicago (17th ed.)Allendoerfer, Carl Barnett. Principles of Mathematics. New York: McGraw-Hill, 1969.
Cita MLA (9th ed.)Allendoerfer, Carl Barnett. Principles of Mathematics. McGraw-Hill, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.