Seward, W. H. (1886). Life of John Quincy Adams: Sixth President of the United States. Porter and Coates.
Chicago-viite (17. p.)Seward, William Henry. Life of John Quincy Adams: Sixth President of the United States. Philadelphia: Porter and Coates, 1886.
MLA-viite (8. p.)Seward, William Henry. Life of John Quincy Adams: Sixth President of the United States. Porter and Coates, 1886.
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