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.
Παραπομπή σε μορφή Chicago (17η εκδ.)Peru. Comisión demarcadora de limites peruano-bolivianos και 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.
Παραπομπή σε μορφή MLA (8th εκδ.)Peru. Comisión demarcadora de limites peruano-bolivianos και 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.