Keefe, William J.
The American legislative process congress and the state
Prentice-Hall, 1994
 Buku Teks
Supplement US pharmacpea and national formulary : 2012 USP 35 NF 30
The united stetes Pharmacopeial, 2012
 Buku Referensi
The United states pharmacopeia : the national formulary : 2012 USP 35 NF 30
The United States Pharmacopeial Convention
The United states pharacopeial convention, 2012
 Buku Referensi
Stockley's herbal medicines interactions : a guide to the interactions of herbal medicines
edited by Elizabeth Williamson, Samuel Driver, Karen Baxter
Pharmaceutical press, 2013
 Buku Teks
Epps, Garrett
American epic : reading the US Constitution
Oxford Univesity Press, 2013
 Buku Teks