Stone, A. H., & Sherman, L. R. (1975). Laboratory supplement to accompany spaceship earth: Life science. Houghton Mifflin.
Lua i Stíl Chicago (17ú heag.)Stone, A. Harris, agus Lloyd R. Sherman. Laboratory Supplement to Accompany Spaceship Earth: Life Science. Boston: Houghton Mifflin, 1975.
Lua MLA (9ú heag.)Stone, A. Harris, agus Lloyd R. Sherman. Laboratory Supplement to Accompany Spaceship Earth: Life Science. Houghton Mifflin, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.