Biological Sciences Curriculum Study. (1969). High school biology: BSCS Green version. Teacher's Guide (2nd ed.). Rand McNally and Co..
Lua i Stíl Chicago (17ú heag.)Biological Sciences Curriculum Study. High School Biology: BSCS Green Version. Teacher's Guide. 2nd ed. Chicago: Rand McNally and Co., 1969.
Lua MLA (8ú heag.)Biological Sciences Curriculum Study. High School Biology: BSCS Green Version. Teacher's Guide. 2nd ed. Rand McNally and Co., 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.