Robertson, J. (1792). A clear and practical system of punctuation. By I. Thomas and E.T. Andrews, Faust's Statue, no. 45, Newbury Street.
Chicago-Zitierstil (17. Ausg.)Robertson, Joseph. A Clear and Practical System of Punctuation. Printed at Boston, <according to act of Congress.>: By I. Thomas and E.T. Andrews, Faust's Statue, no. 45, Newbury Street, 1792.
MLA-Zitierstil (9. Ausg.)Robertson, Joseph. A Clear and Practical System of Punctuation. By I. Thomas and E.T. Andrews, Faust's Statue, no. 45, Newbury Street, 1792.
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