Lamparello, Adam, author
NY Routledge, 2017
Buku Teks
Ramaswamy, M., author
Stanford University Press, 1956
Buku Teks
Ramaswamy, M., author
Russell & Russell, 1970
Buku Teks
Mussatti, James
D. Van Nostrand Company, Inc., 1960
Buku Teks
United States Information Agency, 1987
Buku Teks