edited by Harold Benjamin
McGraw-Hill, 1959
Buku Referensi
Page, G. Terry
New York Kogan Page 1977
Buku Referensi
Page, G. Terry, author
New York, Kogan Page, 1977
Buku Referensi
Page, G. Terry, author
MIT Press, 1980
Buku Referensi
Modeste, Naomi N.
Sage Publications, 1996
Buku Referensi