Horsford, E. N. (1889). How I came by a Berghem and how its value grew. J. Wilson and son.
Citace podle Chicago (17th ed.)Horsford, Eben Norton. How I Came by a Berghem and How Its Value Grew. Cambridge: J. Wilson and son, 1889.
Citace podle MLA (8th ed.)Horsford, Eben Norton. How I Came by a Berghem and How Its Value Grew. J. Wilson and son, 1889.
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