1. Daniels, G. (2013). Human blood groups. Oxford: Wiley-Blackwell Publishing.
2. International Society of Blood Transfusion (ISBT), Red Cell Immunogenetics and Blood Group Terminology, Table of blood group antigens v5._151222.. [ http://www.isbtweb.org/fileadmin/user_upload/Working_parties/WP_on_Red_Cell_Immunogenetics_and/Updates/Table_of_blood_group_antigens_within_systems_v5_151222.pdf ].
3. Reid, M. E., Lomas-Francis, C., & Olsson, M. L. (2012). The blood group antigen facts book. San Diego: Elsevier Academic Press.
4. Huang, C. H., & Blumenfeld, O. O. (1991). Multiple origins of the human glycophorin Sta gene. Identification of hot spots for independent unequal homologous recombinations. Journal of Biological Chemistry, 266, 23306–23314.
5. Huang, C. H., Kikuchi, M., McCreary, J., & Blumenfeld, O. O. (1992). Gene conversion confined to a direct repeat of the acceptor splice site generates allelic diversity at human glycophorin (GYP) locus. Journal of Biological Chemistry, 267, 3336–3342.