Cita APA (7th ed.)

National Council of Teachers of Mathematics & Sharron, S. (1979). Applications in school mathematics. NCTM.

Cita Chicago (17th ed.)

National Council of Teachers of Mathematics i Sidney Sharron. Applications in School Mathematics. Reston, VA: NCTM, 1979.

Cita MLA (9th ed.)

National Council of Teachers of Mathematics i Sidney Sharron. Applications in School Mathematics. NCTM, 1979.