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
the Australian Journal of Agricultural Economics
the Australian Agricultural Economic Society, 1989
Majalah, Jurnal, Buletin
Norton, George W.
Introduction to economics of agricultural development
McGraw-Hill, 1993
Buku Teks