APA

Lauwerys J. A., . (1953). History textbooks and international understanding. Paris: United Nations Educational, Scientific and Cultural Organization.

Chicago

Lauwerys Joseph Albert, . 1953. History textbooks and international understanding. Paris: United Nations Educational, Scientific and Cultural Organization.

Harvard

Lauwerys J. A., . (1953). History textbooks and international understanding. Paris: United Nations Educational, Scientific and Cultural Organization.

MLA

Lauwerys Joseph Albert, . History textbooks and international understanding. Paris: United Nations Educational, Scientific and Cultural Organization. 1953.