ebrary, Inc, Hochberg, H., & Mulligan, K. (2004). Relations and predicates. Ontos Verlag.
芝加哥风格引文ebrary, Inc, Herbert Hochberg, 与 Kevin Mulligan. Relations and Predicates. Frankfurt: Ontos Verlag, 2004.
MLA引文ebrary, Inc, et al. Relations and Predicates. Ontos Verlag, 2004.
警告：这些引文格式不一定是100％准确.