Spiegel, H. W. (1961). Current economic problems (3.).
シカゴスタイル引用形Spiegel, Henry William. Current Economic Problems. 3. Richard D Irwin, Inc, Illinois, 1961.
MLA引用形式Spiegel, Henry William. Current Economic Problems. 3. 1961.
警告: この引用は必ずしも正確ではありません.
Spiegel, H. W. (1961). Current economic problems (3.).
シカゴスタイル引用形Spiegel, Henry William. Current Economic Problems. 3. Richard D Irwin, Inc, Illinois, 1961.
MLA引用形式Spiegel, Henry William. Current Economic Problems. 3. 1961.