Dyfyniad APA

Welch Suzy. (2009). 10-10-10: 10 minutes, 10 months, 10 years - a life-transforming idea. Scribner / Simon & Schuster.

Dyfyniad Arddull Chicago

Welch Suzy. 10-10-10: 10 Minutes, 10 Months, 10 Years - a Life-transforming Idea. NewYork: Scribner / Simon & Schuster, 2009.

Dyfyniad MLA

Welch Suzy. 10-10-10: 10 Minutes, 10 Months, 10 Years - a Life-transforming Idea. Scribner / Simon & Schuster, 2009.

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