APA引文

Ullman, J. D. (1984). Principles of database systems (2nd ed.). Computer Science Press ; Galgotia Publication.

Chicago Style (17th ed.) Citation

Ullman, Jeffrey D. Principles of Database Systems. 2nd ed. Rockville, Md. : New Delhi: Computer Science Press ; Galgotia Publication, 1984.

MLA引文

Ullman, Jeffrey D. Principles of Database Systems. 2nd ed. Computer Science Press ; Galgotia Publication, 1984.