APA (7 ম সংস্করণ) উদ্ধৃতি

Lubell, H. (1991). The informal sector in the 1980s and 1990s. Development Centre of the Organisation for Economic Co-operation and Development ; OECD Publications and Information Centre, distributor].

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Lubell, Harold. The Informal Sector in the 1980s and 1990s. Paris : [Washington, D.C.: Development Centre of the Organisation for Economic Co-operation and Development ; OECD Publications and Information Centre, distributor], 1991.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Lubell, Harold. The Informal Sector in the 1980s and 1990s. Development Centre of the Organisation for Economic Co-operation and Development ; OECD Publications and Information Centre, distributor], 1991.