McGuire, Joseph W., author
McGraw-Hill, 1963
Buku Teks
Gujarati, Damodar N., author
McGraw-Hill, 1984
Buku Teks
Hall, Ford P.
McGraw-Hill Book Company,Inc., 1949
Buku Teks
edited Nancy L. Rosenblum and Robert C. Post
Princeton University Press , 2002
Buku Teks
Bennett, Raymond, author
M.M & B. Book, 1989
Buku Teks