Gifford, E. W. (1916). Composition of California shellmounds. University of California Press.
Citace podle Chicago (17th ed.)Gifford, Edward Winslow. Composition of California Shellmounds. Berkeley: University of California Press, 1916.
Citace podle MLA (8th ed.)Gifford, Edward Winslow. Composition of California Shellmounds. University of California Press, 1916.
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