APA (7 वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, Bottani, A., & Davies, R. (2006). Modes of existence: Papers in ontology and philosophical logic. Ontos Verlag.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, Andrea Bottani, और Richard Davies. Modes of Existence: Papers in Ontology and Philosophical Logic. Frankfurt ; New Brunswick: Ontos Verlag, 2006.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, et al. Modes of Existence: Papers in Ontology and Philosophical Logic. Ontos Verlag, 2006.