Cita APA (7th ed.)

Lake, F., & Newmark, J. (1977). Mathematics as a second language (2nd ed.). Addison-Wesley.

Cita Chicago (17th ed.)

Lake, Frances, i Joseph Newmark. Mathematics as a Second Language. 2nd ed. Reading, Mass: Addison-Wesley, 1977.

Cita MLA (9th ed.)

Lake, Frances, i Joseph Newmark. Mathematics as a Second Language. 2nd ed. Addison-Wesley, 1977.