APA (7 ম সংস্করণ) উদ্ধৃতি

WADEHRA B L. (2000). LAW RELATING TO PATENTS TRADE MARKS COPYRIGHT DESIGNS AND GEOGRAPHICAL INDICATIONS (2ND.). UNIVERSAL LAW PUBLICATIONS.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

WADEHRA B L. LAW RELATING TO PATENTS TRADE MARKS COPYRIGHT DESIGNS AND GEOGRAPHICAL INDICATIONS. 2ND. NEW DELHI: UNIVERSAL LAW PUBLICATIONS, 2000.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

WADEHRA B L. LAW RELATING TO PATENTS TRADE MARKS COPYRIGHT DESIGNS AND GEOGRAPHICAL INDICATIONS. 2ND. UNIVERSAL LAW PUBLICATIONS, 2000.