Prescott, W. H. (1898). Peru. P. F. Collier & son.
Lua i Stíl Chicago (17ú heag.)Prescott, William Hickling. Peru. New York: P. F. Collier & son, 1898.
Lua MLA (9ú heag.)Prescott, William Hickling. Peru. P. F. Collier & son, 1898.
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