APA

Engle P. L., . (1975). The use of vernacular languages in education: language medium in early school years for minority language groups. Arlington, Virginia: Center for Applied Linguistics.

Chicago

Engle Patricia Lee, . 1975. The use of vernacular languages in education: language medium in early school years for minority language groups. Arlington, Virginia: Center for Applied Linguistics.

Harvard

Engle P. L., . (1975). The use of vernacular languages in education: language medium in early school years for minority language groups. Arlington, Virginia: Center for Applied Linguistics.

MLA

Engle Patricia Lee, . The use of vernacular languages in education: language medium in early school years for minority language groups. Arlington, Virginia: Center for Applied Linguistics. 1975.