De Asis, M. L. A. Incidence study of Down's syndrome (Mongolism) in Manila, 1975-1979.
芝加哥风格引文De Asis, Ma. Luisa A. Incidence Study of Down's Syndrome (Mongolism) in Manila, 1975-1979.
MLA引文De Asis, Ma. Luisa A. Incidence Study of Down's Syndrome (Mongolism) in Manila, 1975-1979.
警告：这些引文格式不一定是100％准确.