edited by Carl Eicher and Lawrence Witt
McGraw-Hill , 1964
Buku Teks
World Bank
Oxford University Press, 1982
Buku Teks
Sachs, Ignacy
Polish Scientific Publishers , 1964
Buku Teks
Schultz, Theodore W.
McGraw-Hill, 1953
Buku Teks
edited by Kazushi Ohkawa, Bruce F. Johnston and Hiromitsu Kaneda
University of Tokyo Press, 1969
Buku Teks