Barrantes Calderón, V. J. (2007). Some concerns about copyright protection on the Internet.
シカゴスタイル引用形Barrantes Calderón, Victor J. Some Concerns About Copyright Protection On the Internet. 2007.
MLA引用形式Barrantes Calderón, Victor J. Some Concerns About Copyright Protection On the Internet. 2007.
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