Dyfyniad APA

Gopalakrishnan, R. (2010). When the penny drops: Learning what's not taught. Portfolio.

Dyfyniad Arddull Chicago

Gopalakrishnan, R. When the Penny Drops: Learning What's Not Taught. New Delhi: Portfolio, 2010.

Dyfyniad MLA

Gopalakrishnan, R. When the Penny Drops: Learning What's Not Taught. Portfolio, 2010.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.