Ashcraft, Mark H.
Cognition
Pearson, 2014
 Buku Teks SO
Sternberg, Robert J.
Cognition
Wadsworth and Cengage Learning, 2012
 Buku Teks SO
A handbook for the identification of cephalopod beaks
edited by Malcolm R. Clarke
Clarendon Press, 1986
 Buku Teks
A Handbook for the identification of cephalopod beaks
edited by Malcolm R. Clarke
Clarendon Press, 1986
 Buku Referensi
Conversation and cognition
edited by Hedwig te Molder, Jonathan Potter
Cambridge University Press, 2005
 Buku Teks