APA引文

Villanueva Rivas, D. (2015). Digital preservation of journals at UNAM and institutional repositories: An approach.

Citación estilo Chicago

Villanueva Rivas, Daniel. Digital Preservation of Journals At UNAM and Institutional Repositories: An Approach. 2015.

MLA引文

Villanueva Rivas, Daniel. Digital Preservation of Journals At UNAM and Institutional Repositories: An Approach. 2015.

警告：这些引文格式不一定是100％准确.