AGGARWAL R.S. (1999). MODERN APPROACH TO NON VERBAL REASONING. S.CHAND & CO.
芝加哥风格引文AGGARWAL R.S. MODERN APPROACH TO NON VERBAL REASONING. NEW DELHI: S.CHAND & CO, 1999.
MLA引文AGGARWAL R.S. MODERN APPROACH TO NON VERBAL REASONING. S.CHAND & CO, 1999.
警告：这些引文格式不一定是100％准确.