APA aipamena

Longley. (2013). An Absence of Competition (1.). Springer New York.

Chicago Style aipamena

Longley. An Absence of Competition. 1. Springer New York, 2013.

MLA aipamena

Longley. An Absence of Competition. 1. Springer New York, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.