Dyfyniad APA

Murray, J., & Chapman, N. (1815). A system of materia medica and pharmacy. Published by Thomas Dobson.

Dyfyniad Arddull Chicago

Murray, J., and Nathaniel Chapman. A System of Materia Medica and Pharmacy. Philadelphia, Pa: Published by Thomas Dobson, 1815.

Dyfyniad MLA

Murray, J., and Nathaniel Chapman. A System of Materia Medica and Pharmacy. Published by Thomas Dobson, 1815.

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