APA aipamena

MONGE-NAJERA, J. (2018). “Please pay $800 to read this article”: An open letter to paywall companies.

Chicago Style aipamena

MONGE-NAJERA, JULIAN. “Please Pay $800 to Read This Article”: An Open Letter to Paywall Companies. 2018.

MLA aipamena

MONGE-NAJERA, JULIAN. “Please Pay $800 to Read This Article”: An Open Letter to Paywall Companies. 2018.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.