Tietueen sitaatit
APA-viiteLubell, H. (1991). The informal sector in the 1980s and 1990s. Development Centre of the Organisation for Economic Co-operation and Development.
Chicago-tyylinen lähdeviittausLubell, Harold. The Informal Sector in the 1980s and 1990s. Paris: Development Centre of the Organisation for Economic Co-operation and Development, 1991.
MLA-viiteLubell, Harold. The Informal Sector in the 1980s and 1990s. Development Centre of the Organisation for Economic Co-operation and Development, 1991.
Harvard-tyylinen lähdeviittausLubell, H. 1991. The informal sector in the 1980s and 1990s. Paris: Development Centre of the Organisation for Economic Co-operation and Development.
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