Lefebvre, Henri, author
University of Minnesota Press, 2003
Buku Teks
Carter, Harold, author
Longman, 1990
Buku Teks
Berry, Brian J.L., author
Prentice-Hall, 1970
Buku Teks
Michelson, William, author
Addison-Wesley Publishing , 1970
Buku Teks
Bergel, Egon Ernest, author
McGraw-Hill, 1955
Buku Teks