Walter Shields und Walter Shields (2019) SQL Quick Start Guide : The Simplified Beginner’s Guide to Managing, Analyzing, and Manipulating Data With SQL.
Chicago Manual of Style 17th edition (full note)Walter Shields, und Walter Shields. SQL Quick Start Guide : The Simplified Beginner’s Guide to Managing, Analyzing, and Manipulating Data With SQL.
American Psychological Association 7th editionWalter Shields, & Walter Shields. (2019). SQL Quick Start Guide : The Simplified Beginner’s Guide to Managing, Analyzing, and Manipulating Data With SQL.
Modern Language Association 9th editionWalter Shields, und Walter Shields. SQL Quick Start Guide : The Simplified Beginner’s Guide to Managing, Analyzing, and Manipulating Data With SQL. 2019.
ISO-690 (author-date, Deutsch)WALTER SHIELDS und WALTER SHIELDS, 2019. SQL Quick Start Guide : The Simplified Beginner’s Guide to Managing, Analyzing, and Manipulating Data With SQL