Cita APA

Hall, E. J. English Self-Taught: A multimedia programmed course in English as a second language / Eugene J. Hall. New York : Regents Publishing.

Citación estilo Chicago

Hall, Eugene J. English Self-Taught: A Multimedia Programmed Course in English As a Second Language / Eugene J. Hall. New York : Regents Publishing.

Cita MLA

Hall, Eugene J. English Self-Taught: A Multimedia Programmed Course in English As a Second Language / Eugene J. Hall. New York : Regents Publishing.