APA引文

ProQuest. (2004). ProQuest Science Journals. USA: Umi company.

Trích dẫn kiểu Chicago

ProQuest. ProQuest Science Journals. USA: Umi company, 2004.

MLA引文

ProQuest. ProQuest Science Journals. USA: Umi company, 2004.

警告：這些引文格式不一定是100％准確.