Rice, D. W., 1998: Marine Mammals of the World: Systematics and Distribution, Society of Marine Mammalogy Special Publication Number 4, The Society for Marine Mammalogy, Lawrence, Kansas [for Physeter macrocephalus and Platanista gangetica]
Rice, D. W., 1998: Marine Mammals of the World: Systematics and Distribution, Society of Marine Mammalogy Special Publication Number 4, The Society for Marine Mammalogy, Lawrence, Kansas. [voor Physeter macrocephalus en Platanista gangetica]