Duché, J. (1774). Observations on a variety of subjects, literary, moral and religious: In a series of original letters. Printed by John Dunlap.
Citace podle Chicago (17th ed.)Duché, Jacob. Observations on a Variety of Subjects, Literary, Moral and Religious: In a Series of Original Letters. Philadelphia: Printed by John Dunlap, 1774.
Citace podle MLA (8th ed.)Duché, Jacob. Observations on a Variety of Subjects, Literary, Moral and Religious: In a Series of Original Letters. Printed by John Dunlap, 1774.
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