Cita APA

Commission on Language Tests and Testing, Jones, R. L., & Spolsky, B. (1975). Testing language proficiency. Center for Applied Linguistics.

Citación estilo Chicago

Commission on Language Tests and Testing, Randall L. Jones, and Bernard Spolsky. Testing Language Proficiency. Arlington, Va: Center for Applied Linguistics, 1975.

Cita MLA

Commission on Language Tests and Testing, et al. Testing Language Proficiency. Center for Applied Linguistics, 1975.