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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিPeru. Comisión demarcadora de limites peruano-bolivianos এবং 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.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিPeru. Comisión demarcadora de limites peruano-bolivianos এবং 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.