Laporte, W. R., & Renner, A. G. (1938). The tumbler's manual. Prentice-Hall.
Chicago Style aipamenaLaporte, William Ralph, and Al G. Renner. The Tumbler's Manual. Englewood Cliffs, N.J.: Prentice-Hall, 1938.
MLA aipamenaLaporte, William Ralph, and Al G. Renner. The Tumbler's Manual. Prentice-Hall, 1938.
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