APA

López Cepero C. B., Matters C. V., . (1967). The teaching of English as a second language: guide for first grade. Hato Rey, Puerto Rico: Department of Education.

Chicago

López Cepero Carmen Belén, Matters C Virginia, . 1967. The teaching of English as a second language: guide for first grade. Hato Rey, Puerto Rico: Department of Education.

Harvard

López Cepero C. B., Matters C. V., . (1967). The teaching of English as a second language: guide for first grade. Hato Rey, Puerto Rico: Department of Education.

MLA

López Cepero Carmen Belén, Matters C Virginia, . The teaching of English as a second language: guide for first grade. Hato Rey, Puerto Rico: Department of Education. 1967.