Gaya APA

Anderson, H, G., Koutnik, P, G. (1972). Toward more effective science in truction in secondary education . New York: Macmillen Publishing.

Gaya MLA

Anderson, Hans, G.., Koutnik, Paul, G.. "Toward more effective science in truction in secondary education". New York: Macmillen Publishing, 1972. Text.