American Institute of Biological Sciences. Biological Sciences Curriculum Study. Committee on Innovation in Laboratory Instruction. (1961). High school biology: A laboratory block (Rev. ed.). Johnson.
Lua i Stíl Chicago (17ú heag.)American Institute of Biological Sciences. Biological Sciences Curriculum Study. Committee on Innovation in Laboratory Instruction. High School Biology: A Laboratory Block. Rev. ed. [Boulder, Colo.: Johnson, 1961.
Lua MLA (8ú heag.)American Institute of Biological Sciences. Biological Sciences Curriculum Study. Committee on Innovation in Laboratory Instruction. High School Biology: A Laboratory Block. Rev. ed. Johnson, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.