by Howard V. Hong and Edna H. Hong 1992 Princeton University Press pp. 9-10. Point of View by Lowrie, p. 41, Practice in Christianity, Hong trans., 1991
(音像媒体说明). Katy Perry. Capitol Records. 2010. 使用|accessdate=需要含有|url= (帮助) Edna Gunderson. Katy Perry's 'Prism' alights with 'nothing but hits'. USA Today