ebrary, Inc, & Powell, S. R. (2007). Stephen Rolfe Powell: Glassmaker. University Press of Kentucky.
芝加哥风格引文ebrary, Inc, 与 Stephen Rolfe Powell. Stephen Rolfe Powell: Glassmaker. Lexington: University Press of Kentucky, 2007.
MLA引文ebrary, Inc, 与 Stephen Rolfe Powell. Stephen Rolfe Powell: Glassmaker. University Press of Kentucky, 2007.
警告：这些引文格式不一定是100％准确.