Englebardt, Sheila P., author
Mosby , 2002
Buku Teks
Barzelay, Michael, author
University of California Press, 2001
Buku Teks
edited by John J. Hutton
Springer, 2012
eBooks
Sylvestre, John, author
Oxford University Press, 2017
eBooks
edited by W. W. Cooper, H. J. Leavitt [and] M. W. Shelly II
John Wiley & Sons, 1964
Buku Teks