APA

Langan J., . (1995). English skills with readings. New York: McGraw-Hill.

Chicago

Langan John, . 1995. English skills with readings. New York: McGraw-Hill.

Harvard

Langan J., . (1995). English skills with readings. New York: McGraw-Hill.

MLA

Langan John, . English skills with readings. New York: McGraw-Hill. 1995.