Schaffer, R. (1995). Managing productivity. Jaico Publishing house.
シカゴスタイル引用形Schaffer, Robert. Managing Productivity. New Delhi: Jaico Publishing house, 1995.
MLA引用形式Schaffer, Robert. Managing Productivity. Jaico Publishing house, 1995.
警告: この引用は必ずしも正確ではありません.