Smith, T. G., & Kleinberg, N. (1974). Learning about sound (2. edición.). Chicago, III.: Encyclopaedia Britannica Educational.
Chicago Style CitationSmith, Thomas G., and Nina Kleinberg. Learning About Sound. 2. edición. Chicago, III.: Encyclopaedia Britannica Educational, 1974.
MLA CitationSmith, Thomas G., and Nina Kleinberg. Learning About Sound. 2. edición. Chicago, III.: Encyclopaedia Britannica Educational, 1974.
Warning: These citations may not always be 100% accurate.