Citação norma APA

(2003). Developing writing: Writing skills practice book for EFL beginning/intermediate level. United States: Office of English Language Program.

Citação norma Chicago

Developing Writing: Writing Skills Practice Book for EFL Beginning/intermediate Level. United States: Office of English Language Program, 2003.

Citação norma MLA

Developing Writing: Writing Skills Practice Book for EFL Beginning/intermediate Level. United States: Office of English Language Program, 2003.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.