Eckhardt. Writing, Directing, and Producing Documentary Films and Digital Videos. Southern Illinois University Press.
芝加哥风格引文Eckhardt. Writing, Directing, and Producing Documentary Films and Digital Videos. Southern Illinois University Press.
MLA引文Eckhardt. Writing, Directing, and Producing Documentary Films and Digital Videos. Southern Illinois University Press.
警告：这些引文格式不一定是100％准确.