Não informado. (1978). Advances in agricultural technology. Science and Education Administration.
Lua i Stíl Chicago (17ú heag.)Não informado. Advances in Agricultural Technology. Berkeley, Calif: Science and Education Administration, 1978.
Lua MLA (8ú heag.)Não informado. Advances in Agricultural Technology. Science and Education Administration, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.