Citazione Stile APA (7a Edizione)

Waugh, A., & Byrne, J. F. (1976). The four by four english course: Sections 1 2 3 4 5. Anne Waugh ; John Byrne. Britannia Schoole Books.

Citazione stile Chigago Style (17a edizione)

Waugh, Anne, e John Ferro Byrne. The Four by Four English Course: Sections 1 2 3 4 5. Anne Waugh ; John Byrne. Genova: Britannia Schoole Books, 1976.

Citatione MLA (9a ed.)

Waugh, Anne, e John Ferro Byrne. The Four by Four English Course: Sections 1 2 3 4 5. Anne Waugh ; John Byrne. Britannia Schoole Books, 1976.