Barlowe, Raleigh
Land resource economics the political economy of rural and urban land resource use
Prentice-Hall, 1961
Buku Teks
Agricultural production and land-use pattern in Kgatleng DIstrict, Botswana
Artikel Jurnal
Ross, Robert C.
An introduction to agricultural economics
McGraw-Hill, 1951
Buku Teks
Cramer, Gail L.
Agricultural economics and agribusiness : an introdution
John Wiley & Sons, 1979
Buku Teks
Mellor, John W.
The economics of agricultural development
Cornell University Press, 1966
Buku Teks