Silverman, L., Billings, C. E., & First, M. W. (1971). Particle size analysis in industrial hygiene. Academic Press. https://doi.org/10.1016/B978-0-12-643750-8.X5001-4
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSilverman, Leslie, Charles E. Billings, और Melvin W. First. Particle Size Analysis in Industrial Hygiene. New York: Academic Press, 1971. https://doi.org/10.1016/B978-0-12-643750-8.X5001-4.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSilverman, Leslie, et al. Particle Size Analysis in Industrial Hygiene. Academic Press, 1971. https://doi.org/10.1016/B978-0-12-643750-8.X5001-4.
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