Crow, Lester D.
An Outline of general psychology : With questions and answer /Lester D. Crow and Alice Crow
Littlefield, Adams & Co., 1961
 Buku Teks SO
Clinical trials
edited by F. Niel Johnson, Susan Johnson
Blackwell, 1977
 Buku Teks SO
Pocock, Stuart J.
Clinical trials : a practical approach
Wiley, 1983
 Buku Teks SO
Shan, Darren
Ujian maut = Trials of death
Gramedia Pustaka Utama, 2003
 Buku Teks SO
The Annals : Place Randomized Trials
Sage Publications, Inc, 2005
 Majalah, Jurnal, Buletin