APA aipamena

Harold B. Allen. (1965). Teaching English as a second language. New York: McGraw-Hill.

Chicago Style aipamena

Harold B. Allen. Teaching English As a Second Language. New York: McGraw-Hill, 1965.

MLA aipamena

Harold B. Allen. Teaching English As a Second Language. New York: McGraw-Hill, 1965.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.