Simon, R. B. (1981). Earthquake Interpretations: A manual for reading scismograms. William Kaufmann.
Chicago Style (17th ed.) ZitazioaSimon, Ruth B. Earthquake Interpretations: A Manual for Reading Scismograms. California: William Kaufmann, 1981.
MLA (9th ed.) ZitazioaSimon, Ruth B. Earthquake Interpretations: A Manual for Reading Scismograms. William Kaufmann, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.