(1969). The teaching of modern languages: A volum. of studies deriving from the international seminar organized by the Secretariat of UNESCO at Nuwara Eliya, Ceylon, in Aug. Aug. 1953. Greenwood Press.
Chicago-Zitierstil (17. Ausg.)The Teaching of Modern Languages: A Volum. of Studies Deriving from the International Seminar Organized by the Secretariat of UNESCO at Nuwara Eliya, Ceylon, in Aug. Aug. 1953. New York: Greenwood Press, 1969.
MLA-Zitierstil (9. Ausg.)The Teaching of Modern Languages: A Volum. of Studies Deriving from the International Seminar Organized by the Secretariat of UNESCO at Nuwara Eliya, Ceylon, in Aug. Aug. 1953. Greenwood Press, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.