APA (7 वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, Amoretti, M. C., & Preyer, G. (2011). Triangulation: From an epistemological point of view. Ontos Verlag.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, Maria Cristina Amoretti, और Gerhard Preyer. Triangulation: From an Epistemological Point of View. Frankfurt: Ontos Verlag, 2011.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, et al. Triangulation: From an Epistemological Point of View. Ontos Verlag, 2011.