Guttman, B. S., & Hopkins, J. W. (1983). Understanding biology. Harcourt Jovanovich.
Chicagoスタイル(17版)引用形式Guttman, Burton S., , Johns W. Hopkins. Understanding Biology. New York: Harcourt Jovanovich, 1983.
MLA(9版)引用形式Guttman, Burton S., , Johns W. Hopkins. Understanding Biology. Harcourt Jovanovich, 1983.
警告: この引用は必ずしも正確ではありません.