Simon, R. B. (1981). Earthquake Interpretations: A manual for reading scismograms. William Kaufmann.
Chicago-čujuhus (17. p.)Simon, Ruth B. Earthquake Interpretations: A Manual for Reading Scismograms. California: William Kaufmann, 1981.
MLA-čujuhus (9. p.)Simon, Ruth B. Earthquake Interpretations: A Manual for Reading Scismograms. William Kaufmann, 1981.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.