Jones, Gail; Van der Merwe, Anita; Van der Linde, Jeannie; Le Roux, Maria (Mia)(NISC (Pty) Ltd and Informa UK Limited (trading as Taylor & Francis Group), 2018-06)
Tan, Hsern Ern Ivan; Santa Maria, Peter Luke; Wijesinghe, Philip; Francis Kennedy, Brendan; Allardyce, Benjamin James; Eikelboom, Robert H.; Atlas, Marcus David; Dilley, Rodney James(Sage, 2018)
Lawrence, Blake J.; Jayakody, Dona M.P.; Henshaw, Helen; Ferguson, Melanie A.; Eikelboom, Robert H.; Loftus, Andrea M.; Friedland, Peter L.(Sage, 2018)
Tao, Karina F.M.; Brennan-Jones, Christopher G.; Capobianco-Fava, Dirce M.; Jayakody, Dona M.P.; Friedland, Peter L.; Swanepoel, De Wet; Eikelboom, Robert H.(American Speech-Language-Hearing Association, 2018-07-13)