Dyfyniad APA

Wind Yoram. (2005). The power of impossible thinking. Wharton School Pub.

Dyfyniad Arddull Chicago

Wind Yoram. The Power of Impossible Thinking. Singapur: Wharton School Pub, 2005.

Dyfyniad MLA

Wind Yoram. The Power of Impossible Thinking. Wharton School Pub, 2005.

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