Bird, R., & Wadler, P. [ca. 1988]. Introduction to functional programming. In Prentice Hall international series in computer science (1. [pr.]) [Book]. New York [u.a.]: Prentice Hall.

BIRD, Richard und WADLER, Philip, 1988. Introduction to functional programming. 1. [pr.]. New York [u.a.]: Prentice Hall. ISBN 0134841891.

Bird, R., und P. Wadler. „Introduction to functional programming“. Prentice Hall international series in computer science, 1. [pr.], book, Prentice Hall, 1988.

Bird, Richard/Wadler, Philip: Introduction to functional programming, 1. [pr.]. Aufl. New York [u.a.] 1988.

Bird, R. und Wadler, P. (1988), Introduction to functional programming, Prentice Hall international series in computer science, 1. [pr.]., Bd. , Prentice Hall, New York [u.a.].