Guo, S. (2007). Why? To learn math = Why mathematics? (Chinese). Sea Pigeon Culture.
Chicago Style (17th ed.) CitationGuo, Song. Why? To Learn Math = Why Mathematics? (Chinese). Taibei: Sea Pigeon Culture, 2007.
MLA (9th ed.) CitationGuo, Song. Why? To Learn Math = Why Mathematics? (Chinese). Sea Pigeon Culture, 2007.
Warning: These citations may not always be 100% accurate.