Freeman, I. M. (1968). Physics: Principles and insights. McGraw-Hill.
Chicago-čujuhus (17. p.)Freeman, Ira M. Physics: Principles and Insights. York York: McGraw-Hill, 1968.
MLA-čujuhus (9. p.)Freeman, Ira M. Physics: Principles and Insights. McGraw-Hill, 1968.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.