Sterling, E. L., Lindahl, H. M., & Koch, K. (1957). English is our language (2nd ed.). D.C. Heath.
Cita Chicago Style (17a ed.)Sterling, Edna L., Hannah M. Lindahl, y Katharine Koch. English Is Our Language. 2nd ed. Boston: D.C. Heath, 1957.
Cita MLA (8a ed.)Sterling, Edna L., et al. English Is Our Language. 2nd ed. D.C. Heath, 1957.
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