Williams, R. P. (1890). Laboratory manual of general chemistry ..: Specially adapted to accompany "Introduction to chemical science.". Ginn & Company.
Παραπομπή σε μορφή Chicago (17η εκδ.)Williams, Rufus Phillips. Laboratory Manual of General Chemistry ..: Specially Adapted to Accompany "Introduction to Chemical Science.". Boston: Ginn & Company, 1890.
Παραπομπή σε μορφή MLA (8th εκδ.)Williams, Rufus Phillips. Laboratory Manual of General Chemistry ..: Specially Adapted to Accompany "Introduction to Chemical Science.". Ginn & Company, 1890.
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