Cita APA

Stevick, E. W., & Stevick, E. W. (1971). Adapting and writing language lessons. Washington: Foreign Service Institute.

Citación estilo Chicago

Stevick, Earl W., y Earl W. Stevick. Adapting and Writing Language Lessons. Washington: Foreign Service Institute, 1971.

Cita MLA

Stevick, Earl W., y Earl W. Stevick. Adapting and Writing Language Lessons. Washington: Foreign Service Institute, 1971.