Citazione Stile APA (7a Edizione)

Gray, E., & Langley, A. (2002). Public Services and Electronic Resources: Perspectives from the Science and Engineering Libraries at Duke University.

Citazione stile Chigago Style (17a edizione)

Gray, Edward, e Anne Langley. Public Services and Electronic Resources: Perspectives from the Science and Engineering Libraries at Duke University. 2002.

Citatione MLA (9a ed.)

Gray, Edward, e Anne Langley. Public Services and Electronic Resources: Perspectives from the Science and Engineering Libraries at Duke University. 2002.