Lowell, S., & Shields, J. E. (1991). Powder surface area and porosity (3rd ed.). Chapman & Hall.
शिकागो स्टाइल उद्धरणLowell, S., और Joan E. Shields. Powder Surface Area and Porosity. 3rd ed. London ; New York: Chapman & Hall, 1991.
एमएलए उद्धरणLowell, S., और Joan E. Shields. Powder Surface Area and Porosity. 3rd ed. Chapman & Hall, 1991.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.