DREW, C. J., LOGAN, D. R., & HARDMAN, M. L. (1986). Mental retardation: A life cycle approach .--Ed.3. A Bell and Hawell.
芝加哥风格引文DREW, Clifford J., Donald R. LOGAN, 与 Michael L. HARDMAN. Mental Retardation: A Life Cycle Approach .--Ed.3. Columbus: A Bell and Hawell, 1986.
MLA引文DREW, Clifford J., et al. Mental Retardation: A Life Cycle Approach .--Ed.3. A Bell and Hawell, 1986.
警告：这些引文格式不一定是100％准确.