Helms, A. Z. (1807). Travels from Buenos Ayres, by Potosí, to Lima. With notes by the translator, containing topographical descriptions of the spanish possessions in South America, drawn from the last and best authorities (1a. ed.). Richard Phillips.
Tohutoru Kātū Chicago (17th ed.)Helms, Anthony Zachariah. Travels from Buenos Ayres, by Potosí, to Lima. With Notes by the Translator, Containing Topographical Descriptions of the Spanish Possessions in South America, Drawn from the Last and Best Authorities. 1a. ed. Londres: Richard Phillips, 1807.
Tohutoro MLA (9th ed.)Helms, Anthony Zachariah. Travels from Buenos Ayres, by Potosí, to Lima. With Notes by the Translator, Containing Topographical Descriptions of the Spanish Possessions in South America, Drawn from the Last and Best Authorities. 1a. ed. Richard Phillips, 1807.