IFIP Working Conference on Command Languages, Lund, International Federation for Information Processing. Technical Committee 2., & Unger, C. (1975). Command languages: Proceedings of the IFIP Working Conference on Command Languages. North-Holland Pub. Co. ; American Elsevier Pub. Co..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)IFIP Working Conference on Command Languages, Lund, International Federation for Information Processing. Technical Committee 2., و C. Unger. Command Languages: Proceedings of the IFIP Working Conference on Command Languages. Amsterdam : New York: North-Holland Pub. Co. ; American Elsevier Pub. Co., 1975.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)IFIP Working Conference on Command Languages, Lund, et al. Command Languages: Proceedings of the IFIP Working Conference on Command Languages. North-Holland Pub. Co. ; American Elsevier Pub. Co., 1975.