APA (7 ম সংস্করণ) উদ্ধৃতি

Siebeck, W. e., & et al.;Siebeck, W. (1990). Strengthening protection of intellectual property in developing countries: A survey of the literature. World Bank.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Siebeck, W.E. eds, এবং W.E et al.;Siebeck. Strengthening Protection of Intellectual Property in Developing Countries: A Survey of the Literature. World Bank, 1990.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Siebeck, W.E. eds, এবং W.E et al.;Siebeck. Strengthening Protection of Intellectual Property in Developing Countries: A Survey of the Literature. World Bank, 1990.