Cita APA

Gray, J. F., & Gray, J. F. (1972). Issues in mathematics education. Columbus, Ohio: ERIC Information Analysis Center for Science Mathematics and Enviromental Educ.

Citación estilo Chicago

Gray, James F., y James F. Gray. Issues in Mathematics Education. Columbus, Ohio: ERIC Information Analysis Center for Science Mathematics and Enviromental Educ, 1972.

Cita MLA

Gray, James F., y James F. Gray. Issues in Mathematics Education. Columbus, Ohio: ERIC Information Analysis Center for Science Mathematics and Enviromental Educ, 1972.