APA
National Education Association of United States. National Commission on Teacher Education and professional Standards, . (1961). The education of teachers: certification. Official report of the San Diego Conference, San Diego State College, San Diego, California June 21-24, 1960. Washington, D.C: .
Chicago
National Education Association of United States. National Commission on Teacher Education and professional Standards, . 1961. The education of teachers: certification. Official report of the San Diego Conference, San Diego State College, San Diego, California June 21-24, 1960. Washington, D.C: .
Harvard
National Education Association of United States. National Commission on Teacher Education and professional Standards, . (1961). The education of teachers: certification. Official report of the San Diego Conference, San Diego State College, San Diego, California June 21-24, 1960. Washington, D.C: .
MLA
National Education Association of United States. National Commission on Teacher Education and professional Standards, . The education of teachers: certification. Official report of the San Diego Conference, San Diego State College, San Diego, California June 21-24, 1960. Washington, D.C: . 1961.