Citazione Stile APA (7a Edizione)

(1972). English for today: The national council of teachers ofenglish.-- Ed.2. McGraw-Hill Book.

Citazione stile Chigago Style (17a edizione)

English for Today: The National Council of Teachers Ofenglish.-- Ed.2. New York: McGraw-Hill Book, 1972.

Citatione MLA (9a ed.)

English for Today: The National Council of Teachers Ofenglish.-- Ed.2. McGraw-Hill Book, 1972.