APA (7 वां संस्करण) प्रशस्ति पत्र

Parkes, A. P. (2002). Introduction to languages, machines and logic: Computable languags, abstract machines and formal logic. Springer.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Parkes, Alan P. Introduction to Languages, Machines and Logic: Computable Languags, Abstract Machines and Formal Logic. London: Springer, 2002.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Parkes, Alan P. Introduction to Languages, Machines and Logic: Computable Languags, Abstract Machines and Formal Logic. Springer, 2002.