Dyfyniad APA

Trilling, B., & Fadel, C. (2009). 21st century skills: Learning for life in our times. Jossey - Bass Publ.

Dyfyniad Arddull Chicago

Trilling, Bernie, and Charles Fadel. 21st Century Skills: Learning for Life in Our Times. Jossey - Bass Publ, 2009.

Dyfyniad MLA

Trilling, Bernie, and Charles Fadel. 21st Century Skills: Learning for Life in Our Times. Jossey - Bass Publ, 2009.

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