Daniel S. Hamermesh and Gerard A. Pfann. (2004). The Economics of Time Use. ELSEVIER.
芝加哥风格引文Daniel S. Hamermesh and Gerard A. Pfann. The Economics of Time Use. ELSEVIER, 2004.
MLA引文Daniel S. Hamermesh and Gerard A. Pfann. The Economics of Time Use. ELSEVIER, 2004.
警告：这些引文格式不一定是100％准确.