George, J., Goss, L., & Olson, L. (1969). Look and Listen Reader Part A. Summy-Birchard Company.
Chicago-čujuhus (17. p.)George, Jon, Louise Goss, juo Lynn Olson. Look and Listen Reader Part A. Evanston, Illinois: Summy-Birchard Company, 1969.
MLA-čujuhus (9. p.)George, Jon, et al. Look and Listen Reader Part A. Summy-Birchard Company, 1969.
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