Gaya APA

Brittain, , H, G. (1998). Analytical Profiles of Drug Substances and Excipients (Vol 25). United States of America: Academic Press, Inc.

Gaya MLA

Brittain, , Harry, G. "Analytical Profiles of Drug Substances and Excipients". Vol 25 United States of America: Academic Press, Inc, 1998. eBooks.