APA (7 ম সংস্করণ) উদ্ধৃতি

Westerlund, L. (2001). Biotech patents: Equivalency and exclusions under European and U.S. patent law. Fyris-Tryck AB : Distribution, Jure AB.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Westerlund, Li. Biotech Patents: Equivalency and Exclusions Under European and U.S. Patent Law. Uppsala: Fyris-Tryck AB : Distribution, Jure AB, 2001.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Westerlund, Li. Biotech Patents: Equivalency and Exclusions Under European and U.S. Patent Law. Fyris-Tryck AB : Distribution, Jure AB, 2001.