1. Wells JI (ed). Pharmaceutical Preformulation, 2nd ed. 1999. Taylor and Francis Ltd, London, England.
2. Gibson GS (ed). Pharmaceutical Preformulation and Formulation. A Practical Guide from Candidate Drug Selection to Commercial Dosage Form. 2002. CRC Press, Boca Raton, FL.
3. Ranade VV & Hollinger MA. Drug Delivery Systems, 2nd ed. 2004. CRC Press, Boca Raton, FL.
4. Felton L. Pharmaceutical Manufacturing. In Gennaro A (ed). Remington The Science and Practice of Pharmacy, 21st ed. 2005. Lippincott Williams & Wilkins, Philadelphia, 691–1092.
5. O'Connor RE, Schwarts JB, and Felton LA. Powders. In Gennaro A (ed). Remington The Science and Practice of Pharmacy, 21st ed. 2005. Lippincott Williams & Wilkins, Philadelphia, 702–719.