Gaya APA

Koballa, T, R., J, I, T, D. (2004). Cases in middle and secondary science education: the promise and dilemmas . New Jersey: .

Gaya MLA

Koballa, Thomas, R., J, I., Tippins,, Deborah. "Cases in middle and secondary science education: the promise and dilemmas". New Jersey: , 2004. Text.