Shaner, W. W., Philipp, P. F., & Schmehl, W. R. (1982). Farming systems research and development: Guidelines for development countires. [S.l.]: Boulder, Col. : Westriew Press.
Chicago Style CitationShaner, W. W., P. F. Philipp, and W. R. Schmehl. Farming Systems Research and Development: Guidelines for Development Countires. [S.l.]: Boulder, Col. : Westriew Press, 1982.
MLA CitationShaner, W. W., P. F. Philipp, and W. R. Schmehl. Farming Systems Research and Development: Guidelines for Development Countires. [S.l.]: Boulder, Col. : Westriew Press, 1982.
Warning: These citations may not always be 100% accurate.