波莱 & 余洁. (2011). 垃圾车法则: Law of the garbage truck. 重庆出版社.
Chicago Style (17th ed.) Citation波莱 and 余洁. 垃圾车法则: Law of the Garbage Truck. 重庆出版社, 2011.
MLA (8th ed.) Citation波莱 and 余洁. 垃圾车法则: Law of the Garbage Truck. 重庆出版社, 2011.
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