Cita APA

Withrow, J. (1987). Effective Writing: Writing Skills for Intermediate Students of American English : Student"s Book. Cambridge: Cambridge University.

Citación estilo Chicago

Withrow, Jean. Effective Writing: Writing Skills for Intermediate Students of American English : Student"s Book. Cambridge: Cambridge University, 1987.

Cita MLA

Withrow, Jean. Effective Writing: Writing Skills for Intermediate Students of American English : Student"s Book. Cambridge: Cambridge University, 1987.