Παραπομπή σε μορφή APA (7η εκδ.)

GROVER DERRICK. (1989). PROTECTION OF COMPUTER SOFTWARE - ITS TECHNOLOGY AND APPLICATIONS. CAMBRIDGE UNIVERSITY PRESS.

Παραπομπή σε μορφή Chicago (17η εκδ.)

GROVER DERRICK. PROTECTION OF COMPUTER SOFTWARE - ITS TECHNOLOGY AND APPLICATIONS. NEW YORK: CAMBRIDGE UNIVERSITY PRESS, 1989.

Παραπομπή σε μορφή MLA (9th εκδ.)

GROVER DERRICK. PROTECTION OF COMPUTER SOFTWARE - ITS TECHNOLOGY AND APPLICATIONS. CAMBRIDGE UNIVERSITY PRESS, 1989.