APA aipamena

Shaner, W. W., Philipp, P. F., & Schmehl, W. R. (1982). Farming systems research and development: Guidelines for developing countries. Westview Press.

Chicago Style aipamena

Shaner, W. W., P. F. Philipp, and W. R. Schmehl. Farming Systems Research and Development: Guidelines for Developing Countries. Boulder, Colo: Westview Press, 1982.

MLA aipamena

Shaner, W. W., et al. Farming Systems Research and Development: Guidelines for Developing Countries. Westview Press, 1982.