GRIFFIN, D. R. 大量的白色烏鴉: 超常現象的證據: White Crows Abounding: Evidence for the Paranormal. International Journal of Chinese & Comparative Philosophy of Medicine, [S. l.], v. 3, n. 3, p. 61–98, 2001. DOI: 10.24112/ijccpm.31406. Disponível em: https://ejournals.lib.hkbu.edu.hk/index.php/ijccpm/article/view/1406. Acesso em: 29 jun. 2022.