THOMAS, David, FOWLER, Chad und HUNT, Andrew, 2005. Programming Ruby : the pragmatic programmers’ guide. 2. ed. Raleigh, NC: The Pragmatic Bookshelf. ISBN 0974514055.
Elsevier - Harvard (with titles)Thomas, D., Fowler, C., Hunt, A., 2005. Programming Ruby : the pragmatic programmers’ guide, 2. ed. ed. The Pragmatic Bookshelf, Raleigh, NC.
American Psychological Association 7th editionThomas, D., Fowler, C., & Hunt, A. (ca. 2005). Programming Ruby : the pragmatic programmers’ guide (2. ed.) [Book]. The Pragmatic Bookshelf.
Springer - Basic (author-date)Thomas D, Fowler C, Hunt A (2005) Programming Ruby : the pragmatic programmers’ guide, 2. ed. The Pragmatic Bookshelf, Raleigh, NC
Juristische Zitierweise (Stüber) (Deutsch)Thomas, David/ Fowler, Chad/ Hunt, Andrew, Programming Ruby : the pragmatic programmers’ guide, 2. ed. , Raleigh, NC 2005.