Griggs, E. H. (1909). Human equipment: Its use and abuse. B.W. Huebsch.
Lua i Stíl Chicago (17ú heag.)Griggs, Edward Howard. Human Equipment: Its Use and Abuse. New York: B.W. Huebsch, 1909.
Lua MLA (8ú heag.)Griggs, Edward Howard. Human Equipment: Its Use and Abuse. B.W. Huebsch, 1909.
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