Drew, C. J., Hardman, M. L., & Logan, D. R. (1988). Mental retardation: A life cycle approach (4th ed.). Merrill.
Chicagoスタイル(17版)引用形式Drew, Clifford J., Michael L. Hardman, , Donald R. Logan. Mental Retardation: A Life Cycle Approach. 4th ed. Columbus, Ohio: Merrill, 1988.
MLA(9版)引用形式Drew, Clifford J., et al. Mental Retardation: A Life Cycle Approach. 4th ed. Merrill, 1988.
警告: この引用は必ずしも正確ではありません.