Gruber, M. (1990). Understanding SQL. Sybex.
Chicago Style (17th ed.) CitationGruber, Martin. Understanding SQL. San Francisco: Sybex, 1990.
MLA引文Gruber, Martin. Understanding SQL. Sybex, 1990.
警告：這些引文格式不一定是100％准確.
APA引文
Gruber, M. (1990). Understanding SQL. Sybex.
Chicago Style (17th ed.) CitationGruber, Martin. Understanding SQL. San Francisco: Sybex, 1990.
MLA引文Gruber, Martin. Understanding SQL. Sybex, 1990.