Date, C. J. (1987). A guide to Ingres: A user's guide to the Ingres product (a relational database management system with built-in application development facilities) from Relational Technology Inc. Addison-Wesley Pub. Co..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Date, C. J. A Guide to Ingres: A User's Guide to the Ingres Product (a Relational Database Management System with Built-in Application Development Facilities) from Relational Technology Inc. Reading, Mass.: Addison-Wesley Pub. Co., 1987.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Date, C. J. A Guide to Ingres: A User's Guide to the Ingres Product (a Relational Database Management System with Built-in Application Development Facilities) from Relational Technology Inc. Addison-Wesley Pub. Co., 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.