Aschheim, Joseph, author
Johns Hopkins Press, 1961
Buku Teks
Correa, Hector
International Textbook , 1969
Buku Teks
Berkhout, A. J., 1940-, author
Geophysics Press, 1984
Buku Teks
Valentine, Jerome L.
The Research Foundation of The Institute of Chartered Financial Analysis, 1980
Buku Teks
Frank, Ronald E.
Richard D. Irwin , 1962
Buku Teks