Gopalakrishnan, R. (2010). When the penny drops: Learning what's not taught. Portfolio.
シカゴスタイル引用形Gopalakrishnan, R. When the Penny Drops: Learning What's Not Taught. New Delhi: Portfolio, 2010.
MLA引用形式Gopalakrishnan, R. When the Penny Drops: Learning What's Not Taught. Portfolio, 2010.
警告: この引用は必ずしも正確ではありません.