एपीए उद्धरण

Oliva, P. .. (1969). The teaching of foreign languages. prentice hall.

शिकागो स्टाइल उद्धरण

Oliva, Peter .F. The Teaching of Foreign Languages. New Jersey: prentice hall, 1969.

एमएलए उद्धरण

Oliva, Peter .F. The Teaching of Foreign Languages. prentice hall, 1969.