Sugiyama, M. (2019). Grassroots football development in Japan: A case study.
Chicago Style (17th ed.) CitationSugiyama, Masahiro. Grassroots Football Development in Japan: A Case Study. 2019.
MLA引文Sugiyama, Masahiro. Grassroots Football Development in Japan: A Case Study. 2019.
警告：這些引文格式不一定是100％准確.