Newmark, J., & Lake, F. (1987). Mathematics as a second language (4th ed.). Addison-Wesley.
Cita Chicago (17th ed.)Newmark, Joseph, i Frances Lake. Mathematics as a Second Language. 4th ed. Reading, Mass: Addison-Wesley, 1987.
Cita MLA (9th ed.)Newmark, Joseph, i Frances Lake. Mathematics as a Second Language. 4th ed. Addison-Wesley, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.