Lass, H. (2009). Elements of pure and applied mathematics (Dover edition.). Dover Publications, Inc.
Cita Chicago (17th ed.)Lass, Harry. Elements of Pure and Applied Mathematics. Dover edition. Mineola, New York: Dover Publications, Inc, 2009.
Cita MLA (9th ed.)Lass, Harry. Elements of Pure and Applied Mathematics. Dover edition. Dover Publications, Inc, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.