Portugal. Commissão, Exposição internacional, & Lisbon. Instituto de agronomia e veterinaria. (1876). International exhibition, 1876. Philadelphia. Portugal: Catalogues: agriculture and colonies.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Portugal. Commissão, Exposição internacional, و Lisbon. Instituto de agronomia e veterinaria. International Exhibition, 1876. Philadelphia. Portugal: Catalogues: Agriculture and Colonies. [n.p, 1876.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Portugal. Commissão, Exposição internacional, و Lisbon. Instituto de agronomia e veterinaria. International Exhibition, 1876. Philadelphia. Portugal: Catalogues: Agriculture and Colonies. 1876.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.