Jennings, B. (1981). Work with words 3. Educational Company.
Citazione stile Chigago Style (17a edizione)Jennings, Barry. Work with Words 3. Dublin: Educational Company, 1981.
Citatione MLA (9a ed.)Jennings, Barry. Work with Words 3. Educational Company, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.