Citazione Stile APA (7a Edizione)

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].

Citazione stile Chigago Style (17a edizione)

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.

Citatione MLA (9a ed.)

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.