GAMMA, Erich, 1994. Design patterns : elements of reusable object-oriented software. 2. print. Reading, Mass. [u.a.]: Addison-Wesley. ISBN 0201633612.
Elsevier - Harvard (with titles)Gamma, E., 1994. Design patterns : elements of reusable object-oriented software, 2. print. ed, Addison-Wesley professional computing series. Addison-Wesley, Reading, Mass. [u.a.].
American Psychological Association 7th editionGamma, E. (ca. 1994). Design patterns : elements of reusable object-oriented software [Book]. In Addison-Wesley professional computing series (2. print.). Addison-Wesley.
Springer - Basic (author-date)Gamma E (1994) Design patterns : elements of reusable object-oriented software, 2. print. Addison-Wesley, Reading, Mass. [u.a.]
Juristische Zitierweise (Stüber) (Deutsch)Gamma, Erich, Design patterns : elements of reusable object-oriented software, 2. print. , Reading, Mass. [u.a.] 1994.