एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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