Schultz, Theodore W.
Economic crises in world agriculture
The Minchigan of Univ. Press, 1966
 Buku Teks
Agriculture in economic development
edited by Carl Eicher and Lawrence Witt
McGraw-Hill , 1964
 Buku Teks SO
Subsistence agriculture and economic development
edited by Clifton R. Wharton
Aldine Publishig, 1969
 Buku Teks SO
Schultz, Theodore W.
The economic organization of agriculture
McGraw-Hill, 1953
 Buku Teks SO
Agriculture and economic growth: Japan'n experience
edited by Kazushi Ohkawa, Bruce F. Johnston and Hiromitsu Kaneda
University of Tokyo Press, 1969
 Buku Teks SO