Cita APA

Henrichsen, L. E. (2001). Distance-Learning Programs. Alexandria, Virginia: Teachers of English to Speakers of Other Languages.

Citación estilo Chicago

Henrichsen, Lynn E.. Distance-Learning Programs. Alexandria, Virginia: Teachers of English to Speakers of Other Languages, 2001.

Cita MLA

Henrichsen, Lynn E.. Distance-Learning Programs. Alexandria, Virginia: Teachers of English to Speakers of Other Languages, 2001.