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.
Chicago-referens (17:e uppl.)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.
MLA-referens (8:e uppl.)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.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.