E.Leary Bernice, R. Slager William, & F.Robinett Ralph. (1962). English for today book two,The world we live in by The National Council of Teachers of English. New York: Tata McGraw-Hill.

E.Leary Bernice, R. Slager William, و F.Robinett Ralph. English for Today Book Two,The World We Live in By The National Council of Teachers of English. New York: Tata McGraw-Hill, 1962.

E.Leary Bernice, R. Slager William, و F.Robinett Ralph. English for Today Book Two,The World We Live in By The National Council of Teachers of English. New York: Tata McGraw-Hill, 1962.