Rosa, V. (2012, July). Martial Arts and Combat Sports in numbers: An exploratory overview on numeric or statistical data in Portugal. Revista de Artes Marciales Asiáticas.
Chicagoスタイル(17版)引用形式Rosa, Vítor. "Martial Arts and Combat Sports in Numbers: An Exploratory Overview on Numeric or Statistical Data in Portugal." Revista De Artes Marciales Asiáticas Jul. 2012.
MLA(9版)引用形式Rosa, Vítor. "Martial Arts and Combat Sports in Numbers: An Exploratory Overview on Numeric or Statistical Data in Portugal." Revista De Artes Marciales Asiáticas, Jul. 2012.
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