RATHNAM P V. (1988). RATHNAM`S COSTING ADVISER: PROBLEMS AND SOLUTIONS (7.). KITAB MAHAL.
芝加哥风格引文RATHNAM P V. RATHNAM`S COSTING ADVISER: PROBLEMS AND SOLUTIONS. 7. ALLAHABAD: KITAB MAHAL, 1988.
MLA引文RATHNAM P V. RATHNAM`S COSTING ADVISER: PROBLEMS AND SOLUTIONS. 7. KITAB MAHAL, 1988.
警告：这些引文格式不一定是100％准确.