APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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