APA-viite (7. p.)

(2007). PPDP'07 proceedings of the 9th ACM SIGPLAN Conference on Principles and Practice of Declarative Programming, Wroclaw, Poland, July 14-16, 2007 / ACM ; sponsored by (SIGPLAN). [electronic resource].

Chicago-viite (17. p.)

PPDP'07 Proceedings of the 9th ACM SIGPLAN Conference on Principles and Practice of Declarative Programming, Wroclaw, Poland, July 14-16, 2007 / ACM ; Sponsored by (SIGPLAN). [electronic Resource]. 2007.

MLA-viite (9. p.)

PPDP'07 Proceedings of the 9th ACM SIGPLAN Conference on Principles and Practice of Declarative Programming, Wroclaw, Poland, July 14-16, 2007 / ACM ; Sponsored by (SIGPLAN). [electronic Resource]. 2007.