APA aipamena

Parker, M., & Spennemann, D. H. R. (2021). Stille Nacht: COVID and the Ghost of Christmas 2020. MDPI AG.

Chicago Style aipamena

Parker, Murray, and Dirk H. R. Spennemann. Stille Nacht: COVID and the Ghost of Christmas 2020. MDPI AG, 2021.

MLA aipamena

Parker, Murray, and Dirk H. R. Spennemann. Stille Nacht: COVID and the Ghost of Christmas 2020. MDPI AG, 2021.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.