APA ציטוט

Shaner, W. W. . .., Philipp, P. F. . .., & Schmehl, W. R. . .. (1982). Farming system research and development (1.). Consortium for International Development.

Chicago Edition Citation

Shaner, W W ., P F. Philipp, and W R. Schmehl. Farming System Research and Development. 1. : Consortium for International Development, 1982.

ציטוט MLA

Shaner, W W ., et al. Farming System Research and Development. 1. Consortium for International Development, 1982.