Cita APA (7a ed.)

Lee, P. Y., & Lee, N. H. (2009). Teaching primacy school Mathematics: A resource book (2nd ed.). McGraw Hill.

Cita Chicago Style (17a ed.)

Lee, P. Y., y Ngan Hoe Lee. Teaching Primacy School Mathematics: A Resource Book. 2nd ed. Singapore [etc.]: McGraw Hill, 2009.

Cita MLA (9a ed.)

Lee, P. Y., y Ngan Hoe Lee. Teaching Primacy School Mathematics: A Resource Book. 2nd ed. McGraw Hill, 2009.