Hickman, Cleveland P.; Roberts, Larry S.; Larson, Allan (2002). “Animal Diversity (Third Edition)”(PDF). 《Chapter 8: Acoelomate Bilateral Animals》. McGraw-Hill. 139쪽. 2016년 5월 17일에 원본 문서(PDF)에서 보존된 문서. 2012년 10월 25일에 확인함.
Hickman, Cleveland P.; Roberts, Larry S.; Larson, Allan (2002). “Animal Diversity (Third Edition)”(PDF). 《Chapter 8: Acoelomate Bilateral Animals》. McGraw-Hill. 139쪽. 2016년 5월 17일에 원본 문서(PDF)에서 보존된 문서. 2012년 10월 25일에 확인함.
Bertamini, M.; Silvanto, J.; Norcia, A.M.; Makin, A.D.J.; Wagemans, J. (2018). “The neural basis of visual symmetry and its role in middle and high-level visual processing”. 《Annals of the New York Academy of Sciences》 132 (1): 280–293. Bibcode:2018NYASA1426..111B. doi:10.1111/nyas.13667. hdl:11577/3289328. PMID29604083.
Bertamini, M.; Silvanto, J.; Norcia, A.M.; Makin, A.D.J.; Wagemans, J. (2018). “The neural basis of visual symmetry and its role in middle and high-level visual processing”. 《Annals of the New York Academy of Sciences》 132 (1): 280–293. Bibcode:2018NYASA1426..111B. doi:10.1111/nyas.13667. hdl:11577/3289328. PMID29604083.
Bertamini, M.; Silvanto, J.; Norcia, A.M.; Makin, A.D.J.; Wagemans, J. (2018). “The neural basis of visual symmetry and its role in middle and high-level visual processing”. 《Annals of the New York Academy of Sciences》 132 (1): 280–293. Bibcode:2018NYASA1426..111B. doi:10.1111/nyas.13667. hdl:11577/3289328. PMID29604083.
Bertamini, M.; Silvanto, J.; Norcia, A.M.; Makin, A.D.J.; Wagemans, J. (2018). “The neural basis of visual symmetry and its role in middle and high-level visual processing”. 《Annals of the New York Academy of Sciences》 132 (1): 280–293. Bibcode:2018NYASA1426..111B. doi:10.1111/nyas.13667. hdl:11577/3289328. PMID29604083.