Bunch, R. (1982). Two ears of corn: A guide to people-centered agricultural improvement. World Neighbors.
Lua i Stíl Chicago (17ú heag.)Bunch, Roland. Two Ears of Corn: A Guide to People-centered Agricultural Improvement. Oklahoma City, Okla. (5116 North Portland, Oklahoma City 73112): World Neighbors, 1982.
Lua MLA (8ú heag.)Bunch, Roland. Two Ears of Corn: A Guide to People-centered Agricultural Improvement. World Neighbors, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.