Lowell, S., & Shields, J. E. (1991). Powder surface area and porosity (3rd ed.). Chapman & Hall.
Chicago Style aipamenaLowell, S., and Joan E. Shields. Powder Surface Area and Porosity. 3rd ed. London ; New York: Chapman & Hall, 1991.
MLA aipamenaLowell, S., and Joan E. Shields. Powder Surface Area and Porosity. 3rd ed. Chapman & Hall, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.