APA (7e ed.) Bronvermelding

Peterson, P. W. (2003). Developing writing: Writing skills practice book for EFL : beginning/intermediate level. United States Department of State.

Chicago (17e ed.) Bronvermelding

Peterson, Patricia Wilcox. Developing Writing: Writing Skills Practice Book for EFL : Beginning/intermediate Level. Washington, DC: United States Department of State, 2003.

MLA (9e ed.) Bronvermelding

Peterson, Patricia Wilcox. Developing Writing: Writing Skills Practice Book for EFL : Beginning/intermediate Level. United States Department of State, 2003.