Perry, J. Harvey
University of Toronto Press, 1953
Buku Teks
Joanne E. Magge
Carswell, 1995
Buku Teks
Wozniak, Chris A., editor
[, Springer], 2012
eBooks
Edited by Matthew W. Finkin, Guy Mundlak
Edward Elgar Publishing, In, 2015
Buku Teks
Creighton, Helen
W.B. Saunders Company, 1981
Buku Teks