Trilling, B., & Fadel, C. (2009). 21st century skills: Learning for life in our times. San Francisco, USA: Jossey-Bass.
Chicago Style CitationTrilling, Bernie, and Charles Fadel. 21st Century Skills: Learning for Life in Our Times. San Francisco, USA: Jossey-Bass, 2009.
MLA CitationTrilling, Bernie, and Charles Fadel. 21st Century Skills: Learning for Life in Our Times. San Francisco, USA: Jossey-Bass, 2009.
Warning: These citations may not always be 100% accurate.