Reiss, Diana. The Dolphin in the Mirror: Exploring Dolphin Minds and Saving Dolphin Lives. — New York: Mariner Books, 2012.
78
Alves, F., C. Nicolau, A. Dinis, C. Ribeiro, and L. Freitas. «Supportive Behavior of Free-Ranging Atlantic Spotted Dolphins (Stenella frontalis) Toward Dead Neonates, with Data on Perinatal Mortality». Acta Ethologica. doi:10.1007/s10211-014-0210-8, 2014.
