Sunakawa, Ellie; Willmore, Alison; Varner, Will; Rosenberg, Shannon; Nguyen, Dao; Hua, Bryant (7 de maio de 2015). «31 Things All Half-Asians Know To Be True». BuzzFeed. Consultado em 19 de novembro de 2018
Folen, Alana; Ng, Tina (primavera de 2007). «The Hapa Project: How multiracial identity crosses oceans». University of Hawaii at Manoa. Consultado em 4 de setembro de 2013 "Jonathan Okamura, professor of ethnic studies at the University of Hawai`i at Manoa, explained that although hapa is a word that describes all people of mixed ancestry, hapa is primarily used to describe people who are half white and half East or Southeast Asian American."