Caplan, F. (1977). The second twelve months of life a Kaleidoscope of growth. Perigee Books.
芝加哥风格引文Caplan, Frank. The Second Twelve Months of Life a Kaleidoscope of Growth. Perigee Books, 1977.
MLA引文Caplan, Frank. The Second Twelve Months of Life a Kaleidoscope of Growth. Perigee Books, 1977.
警告：这些引文格式不一定是100％准确.