Citazione Stile APA (7a Edizione)

Lubell, H. (1991). The informal sector in the 1980s and 1990s. OECD.

Citazione stile Chigago Style (17a edizione)

Lubell, Harold. The Informal Sector in the 1980s and 1990s. París: OECD, 1991.

Citatione MLA (9a ed.)

Lubell, Harold. The Informal Sector in the 1980s and 1990s. OECD, 1991.