Activity Based Physics Group & Cummings, K. (2004). Understanding physics. John Wiley & Sons.
Cita Chicago (17th ed.)Activity Based Physics Group i Karen Cummings. Understanding Physics. Hoboken, N. J: John Wiley & Sons, 2004.
Cita MLA (9th ed.)Activity Based Physics Group i Karen Cummings. Understanding Physics. John Wiley & Sons, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.