ProQuest. (2004). ProQuest Science Journals. USA: Umi company.
シカゴスタイル引用形ProQuest. ProQuest Science Journals. USA: Umi company, 2004.
MLA引用形式ProQuest. ProQuest Science Journals. USA: Umi company, 2004.
警告: この引用は必ずしも正確ではありません.
ProQuest. (2004). ProQuest Science Journals. USA: Umi company.
シカゴスタイル引用形ProQuest. ProQuest Science Journals. USA: Umi company, 2004.
MLA引用形式ProQuest. ProQuest Science Journals. USA: Umi company, 2004.