Não informado. (2018). Economic Planning in Free Societies. Academic Publishing.
Chicago-referens (17:e uppl.)Não informado. Economic Planning in Free Societies. Mount Royal, Canada: Academic Publishing, 2018.
MLA-referens (8:e uppl.)Não informado. Economic Planning in Free Societies. Academic Publishing, 2018.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.