International Bureau of Education & International Conference on Public Education. (1967). The shortage of secondary school teachers: Research in comparative education. International Bureau of Education; Unesco.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)International Bureau of Education và International Conference on Public Education. The Shortage of Secondary School Teachers: Research in Comparative Education. Geneva, Paris: International Bureau of Education; Unesco, 1967.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)International Bureau of Education và International Conference on Public Education. The Shortage of Secondary School Teachers: Research in Comparative Education. International Bureau of Education; Unesco, 1967.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.