Perkins, J. O. N. (1973). Macro-economic policy: A comparative study, Australia, Canada, New Zealand, South Africa. University of Toronto Press.
Lua i Stíl Chicago (17ú heag.)Perkins, James Oliver Newton. Macro-economic Policy: A Comparative Study, Australia, Canada, New Zealand, South Africa. Toronto: University of Toronto Press, 1973.
Lua MLA (9ú heag.)Perkins, James Oliver Newton. Macro-economic Policy: A Comparative Study, Australia, Canada, New Zealand, South Africa. University of Toronto Press, 1973.
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