APA

Lewis M., Hill J., . (1993). Source Book for Teaching English as a Foreign Language. Oxford: Heinemann.

Chicago

Lewis M, Hill J, . 1993. Source Book for Teaching English as a Foreign Language. Oxford: Heinemann.

Harvard

Lewis M., Hill J., . (1993). Source Book for Teaching English as a Foreign Language. Oxford: Heinemann.

MLA

Lewis M, Hill J, . Source Book for Teaching English as a Foreign Language. Oxford: Heinemann. 1993.