Citazione Stile APA (7a Edizione)
Carpenter, E. (1995). Collins Cobuild English Guides: 4: Confusable Words. Helping learners with real English. HarperCollins Publishers Ltd.
Citazione stile Chigago Style (17a edizione)
Carpenter, Edwin. Collins Cobuild English Guides: 4: Confusable Words. Helping Learners with Real English. London: HarperCollins Publishers Ltd, 1995.
Citatione MLA (9a ed.)
Carpenter, Edwin. Collins Cobuild English Guides: 4: Confusable Words. Helping Learners with Real English. HarperCollins Publishers Ltd, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.