Krumm, R., & Miller, L. (1990). dBase IV. Addison-Wesley.
Chicago Style (17th ed.) CitationKrumm, Rob, and Laurie Miller. DBase IV. Reading, Mass: Addison-Wesley, 1990.
MLA引文Krumm, Rob, and Laurie Miller. DBase IV. Addison-Wesley, 1990.
警告:這些引文格式不一定是100%准確.