Peru. Comisión demarcadora de limites peruano-bolivianos & Royal Geographical Society (Great Britain). (1918). Reports of the British officers of the Peruvian commission, diplomatic memoranda and maps of the boundary zone. Cambridge university press.
Lua i Stíl Chicago (17ú heag.)Peru. Comisión demarcadora de limites peruano-bolivianos agus Royal Geographical Society (Great Britain). Reports of the British Officers of the Peruvian Commission, Diplomatic Memoranda and Maps of the Boundary Zone. [Cambridge]: Cambridge university press, 1918.
Lua MLA (8ú heag.)Peru. Comisión demarcadora de limites peruano-bolivianos agus Royal Geographical Society (Great Britain). Reports of the British Officers of the Peruvian Commission, Diplomatic Memoranda and Maps of the Boundary Zone. Cambridge university press, 1918.