Selkirk, T. D. (1966). A letter to the Earl of Liverpool from the Earl of Selkirk: Accompanied by a correspondence with the Colonial Department (in the years 1817, 1818, and 1819), on the subject of the Red River Settlement, in North America. Research Publications.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Selkirk, Thomas Douglas. A Letter to the Earl of Liverpool from the Earl of Selkirk: Accompanied by a Correspondence with the Colonial Department (in the Years 1817, 1818, and 1819), on the Subject of the Red River Settlement, in North America. New Haven, Conn.: Research Publications, 1966.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Selkirk, Thomas Douglas. A Letter to the Earl of Liverpool from the Earl of Selkirk: Accompanied by a Correspondence with the Colonial Department (in the Years 1817, 1818, and 1819), on the Subject of the Red River Settlement, in North America. Research Publications, 1966.