Cita APA

Wardhaugh, R., & Wardhaugh, R. (1976). English for a change world: A program of communication skills for beginning students of English. Glenview, Illinois: Scott, Foresman.

Citación estilo Chicago

Wardhaugh, Ronald, y Ronald Wardhaugh. English for a Change World: A Program of Communication Skills for Beginning Students of English. Glenview, Illinois: Scott, Foresman, 1976.

Cita MLA

Wardhaugh, Ronald, y Ronald Wardhaugh. English for a Change World: A Program of Communication Skills for Beginning Students of English. Glenview, Illinois: Scott, Foresman, 1976.