National Science Teachers Association. (1963). Ideas for teaching science in the junior high school. NSTA.
Chicago Style (17. basım) AtıfNational Science Teachers Association. Ideas for Teaching Science in the Junior High School. Washington, DC: NSTA, 1963.
MLA (9th ed.) AtıfNational Science Teachers Association. Ideas for Teaching Science in the Junior High School. NSTA, 1963.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..