Cita APA (7a ed.)

Finkenzeller, H., Kracke, U., & Unterstein, M. (1990). SQL-oracle: : structure, set-up and usage. Addison-Wesley.

Cita Chicago Style (17a ed.)

Finkenzeller, Hermann, Ulrich Kracke, y Michael Unterstein. SQL-oracle: : Structure, Set-up and Usage. Amsterdam [etc.]: Addison-Wesley, 1990.

Cita MLA (9a ed.)

Finkenzeller, Hermann, et al. SQL-oracle: : Structure, Set-up and Usage. Addison-Wesley, 1990.