Styl cytowania APA

Leon, A. (1997). Oracle 7: The application dvelopment handbook. - 2nd ed. , (2nd ed.). Comdex Computer publishing.

Styl cytowania Chicago

Leon, Alexis. Oracle 7: The Application Dvelopment Handbook. - 2nd Ed. ,. 2nd ed. New Delhi: Comdex Computer publishing, 1997.

Styl cytowania MLA

Leon, Alexis. Oracle 7: The Application Dvelopment Handbook. - 2nd Ed. ,. 2nd ed. Comdex Computer publishing, 1997.