edited by Ralph Cohen
Sheridan Press, 1989
Buku Referensi
Ryan, Michael, 1951-
Wiley-Blackwell, 2017
Buku Teks SO
edited by Julie Rivkin and Michael Ryan
John Wiley & Sons, 2017
Buku Teks SO
Duke University Press, 1995
Buku Teks
Said, Edward W.
Mizan , 1995
Buku Teks