APA
(1931). School text-book revision and international understanding. Paris, France: International Institute of Intellected Co-operation.
Chicago
1931. School text-book revision and international understanding. Paris, France: International Institute of Intellected Co-operation.
Harvard
(1931). School text-book revision and international understanding. Paris, France: International Institute of Intellected Co-operation.
MLA
School text-book revision and international understanding. Paris, France: International Institute of Intellected Co-operation. 1931.