Gaya APA

Ziskovsky, B., Ziskovsky, J. (2019). Optimizing student learning: a lean systems approach to improving K-12 education (Second Edition). New York: Productivity Press.

Gaya MLA

Ziskovsky, Betty., Ziskovsky, Joe. "Optimizing student learning: a lean systems approach to improving K-12 education". Second Edition New York: Productivity Press, 2019. Buku Elektronik.