Harina, R. (1991). Programmed computer learning. National BookStore.
Chicagoスタイル(17版)引用形式Harina, R.M. Programmed Computer Learning. Metro Manila: National BookStore, 1991.
MLA(9版)引用形式Harina, R.M. Programmed Computer Learning. National BookStore, 1991.
警告: この引用は必ずしも正確ではありません.