Northwest Boundary Commission, 1857-1869, New York Litho Engr. & Print. Co, Campbell, A., & Kessler, C. N. (1919). Photo-lithographic copy of the detailed maps of the North West boundary from Point Roberts to the Rocky Mountains between the United States and the British possessions, under the Treaty of June 15th, 1846, showing monuments, cuts and other marks. s.n..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Northwest Boundary Commission, 1857-1869, New York Litho Engr. & Print. Co, Archibald Campbell, و Charles N. Kessler. Photo-lithographic Copy of the Detailed Maps of the North West Boundary from Point Roberts to the Rocky Mountains Between the United States and the British Possessions, Under the Treaty of June 15th, 1846, Showing Monuments, Cuts and Other Marks. [United States?: s.n., 1919.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Northwest Boundary Commission, 1857-1869, et al. Photo-lithographic Copy of the Detailed Maps of the North West Boundary from Point Roberts to the Rocky Mountains Between the United States and the British Possessions, Under the Treaty of June 15th, 1846, Showing Monuments, Cuts and Other Marks. s.n., 1919.