Gilbers, Dirk Gilbert, author
Rijksuniversiteit, 1956
Buku Teks
Hoogervorst, Tom, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2021
Artikel Jurnal
John M. Anderson, Charles Jones editors
North-Holland , 1974
Buku Teks
edited by Max Coltheart
Psychology Press, 1996
Buku Teks
edited by John A. Goldsmith
Blackwell , 1999
Buku Teks