Umali-Deininger, D., & Schwartz, L. A. (1994). Public and private agricultural extension: Beyond traditional frontiers. World Bank.
Lua i Stíl Chicago (17ú heag.)Umali-Deininger, Dina, agus Lisa A. Schwartz. Public and Private Agricultural Extension: Beyond Traditional Frontiers. Washington, DC: World Bank, 1994.
Lua MLA (9ú heag.)Umali-Deininger, Dina, agus Lisa A. Schwartz. Public and Private Agricultural Extension: Beyond Traditional Frontiers. World Bank, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.