Sinnes, A. C., & Manning, S. (1979). All about fertilizers, soils & water. Ortho Books.
Lua i Stíl Chicago (17ú heag.)Sinnes, A. Cort, agus Shirley Manning. All About Fertilizers, Soils & Water. San Francisco, Calif: Ortho Books, 1979.
Lua MLA (9ú heag.)Sinnes, A. Cort, agus Shirley Manning. All About Fertilizers, Soils & Water. Ortho Books, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.