Chrispeels, M. J., & Sadava, D. E. (1994). Plants, genes, and agriculture. Jones and Bartlett Publishers.
Lua i Stíl Chicago (17ú heag.)Chrispeels, Maarten J., agus David E. Sadava. Plants, Genes, and Agriculture. Boston: Jones and Bartlett Publishers, 1994.
Lua MLA (8ú heag.)Chrispeels, Maarten J., agus David E. Sadava. Plants, Genes, and Agriculture. Jones and Bartlett Publishers, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.