Hennessy, M. E. (1924). Calvin Coolidge: From a Green mountain farm to the White House. G.P. Putnam's sons.
Chicago-viite (17. p.)Hennessy, Michael Edmund. Calvin Coolidge: From a Green Mountain Farm to the White House. New York & London: G.P. Putnam's sons, 1924.
MLA-viite (9. p.)Hennessy, Michael Edmund. Calvin Coolidge: From a Green Mountain Farm to the White House. G.P. Putnam's sons, 1924.
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