edited by Arthur Shapiro and Dejan Todorovic
Oxford University Press, 2017
Buku Teks
Wade, Nicholas J.
Springer, 2005
Buku Teks
Gagliardi, Robert M.
John Wiley & Sons, 1976
Buku Teks
Etten, Wim van
Prentice-Hall, 1990
Buku Teks
Houghton Mifflin , 1974
Buku Teks