APA (7e ed.) Bronvermelding

Withrow, J. (2003). Effective writing: Writing skills for intermediate students of american english Student`s book. Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Withrow, Jean. Effective Writing: Writing Skills for Intermediate Students of American English Student`s Book. Cambridge: Cambridge University Press, 2003.

MLA (9e ed.) Bronvermelding

Withrow, Jean. Effective Writing: Writing Skills for Intermediate Students of American English Student`s Book. Cambridge University Press, 2003.