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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Peru. Comisión demarcadora de limites peruano-bolivianos و 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Peru. Comisión demarcadora de limites peruano-bolivianos و 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.