Louis Fidge; Sarah Lindsey. (2013). Vocabulary: Pupil Book 2 (Collins Primary Focus) (New edition.). Collins Educational.
Citazione stile Chigago Style (17a edizione)Louis Fidge; Sarah Lindsey. Vocabulary: Pupil Book 2 (Collins Primary Focus). New edition. Collins Educational, 2013.
Citatione MLA (9a ed.)Louis Fidge; Sarah Lindsey. Vocabulary: Pupil Book 2 (Collins Primary Focus). New edition. Collins Educational, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.