Citação norma APA
Harrison, R., Soars, L., & Soars, J. (2007). New Headway Academic Skills: Reading, writing, and study skills, Level 1: teacher's guide (1 st pub.). Oxford University Press.
Citação norma Chicago
Harrison, Richard, Liz Soars, and John Soars. New Headway Academic Skills: Reading, Writing, and Study Skills, Level 1: Teacher's Guide. 1 st pub. Oxford: Oxford University Press, 2007.
Citação norma MLA
Harrison, Richard, et al. New Headway Academic Skills: Reading, Writing, and Study Skills, Level 1: Teacher's Guide. 1 st pub. Oxford University Press, 2007.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.