Gopalkrishnan , R. (2010). When The Penny Drops: Learning What Not Taught. Penguin.
Chicagoスタイル(17版)引用形式Gopalkrishnan , R. When The Penny Drops: Learning What Not Taught. Delhi: Penguin, 2010.
MLA(9版)引用形式Gopalkrishnan , R. When The Penny Drops: Learning What Not Taught. Penguin, 2010.
警告: この引用は必ずしも正確ではありません.