ebrary, Inc, Amoretti, M. C., & Preyer, G. (2011). Triangulation: From an epistemological point of view. Ontos Verlag.
芝加哥风格引文ebrary, Inc, Maria Cristina Amoretti, 与 Gerhard Preyer. Triangulation: From an Epistemological Point of View. Frankfurt: Ontos Verlag, 2011.
MLA引文ebrary, Inc, et al. Triangulation: From an Epistemological Point of View. Ontos Verlag, 2011.
警告：这些引文格式不一定是100％准确.