de Sousa Santos, Boaventura, author
Cambridge University Press, 2020
eBooks
Wilson, Woodrow, author
Prentice-Hall, 1961
Buku Teks
Chaisson, Eric, author
Prentice-Hall, 1999
Buku Referensi
Vaughan, Terry A.
Saunders College Publishing, 1986
Buku Referensi
Matlin, Margareth W., author
Harcourt Brace College Publisher, 1999
Buku Teks