Cytowanie według stylu APA (wyd. 7)

Withrow, J. (1990). Effective writing. Writing skills for intermediate students of american english. Student' s book (4a. ed.). Cambridge University.

Cytowanie według stylu Chicago (wyd. 17)

Withrow, Jean. Effective Writing. Writing Skills for Intermediate Students of American English. Student' S Book. 4a. ed. Cambridge: Cambridge University, 1990.

Cytowanie według stylu MLA (wyd. 9)

Withrow, Jean. Effective Writing. Writing Skills for Intermediate Students of American English. Student' S Book. 4a. ed. Cambridge University, 1990.