Pennsylvania. (1887). Official documents, comprising the department and other reports made to the Governor, Senate and House of Representatives of Pennsylvania. [publisher not identified].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pennsylvania. Official Documents, Comprising the Department and Other Reports Made to the Governor, Senate and House of Representatives of Pennsylvania. [Place of publication not identified]: [publisher not identified], 1887.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Pennsylvania. Official Documents, Comprising the Department and Other Reports Made to the Governor, Senate and House of Representatives of Pennsylvania. [publisher not identified], 1887.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.