American Institute of Biological Sciences. Biological Sciences Curriculum Study. (1971). Resource book of test items for high school biology: BSCS green version (2nd ed.). BSCS.
Citação do estilo Chicago (17ª ed.)American Institute of Biological Sciences. Biological Sciences Curriculum Study. Resource Book of Test Items for High School Biology: BSCS Green Version. 2nd ed. Boulder, CO: BSCS, 1971.
Citação MLA (9ª ed.)American Institute of Biological Sciences. Biological Sciences Curriculum Study. Resource Book of Test Items for High School Biology: BSCS Green Version. 2nd ed. BSCS, 1971.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.