West, M. (1963). Easy English dialogues: For Learning English as behaviour. Longman.
Citazione stile Chigago Style (17a edizione)West, Michael. Easy English Dialogues: For Learning English as Behaviour. London: Longman, 1963.
Citatione MLA (9a ed.)West, Michael. Easy English Dialogues: For Learning English as Behaviour. Longman, 1963.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.