توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

U. S. Bureau of Insular Affairs & iGLibrary (online resource). (1911). Summary of Commerce of the Philippine Islands. Photoduplication Service. University of the Philippines Library.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

U. S. Bureau of Insular Affairs و iGLibrary (online resource). Summary of Commerce of the Philippine Islands. Quezon City: Photoduplication Service. University of the Philippines Library, 1911.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

U. S. Bureau of Insular Affairs و iGLibrary (online resource). Summary of Commerce of the Philippine Islands. Photoduplication Service. University of the Philippines Library, 1911.