Fryer, D.W., author
McGraw-Hill, 1965
Buku Teks
The The University of Chicago
The University of Chicago Press, 1972
Buku Teks
PWN-Polish Scientiic Publishers, 1968
Buku Teks
Kahn, Herman, author
Morrow Quill Paperbacks, 1979
Buku Teks
Todaro, Michael P., author
Ghalia Indonesia, 1983
Buku Teks