Παραπομπή σε μορφή APA (7η εκδ.)

Perkins, J. O. N. (1973). Macro-economic policy: A comparative study, Australia, Canada, New Zealand, South Africa. University of Toronto Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Perkins, James Oliver Newton. Macro-economic Policy: A Comparative Study, Australia, Canada, New Zealand, South Africa. Toronto: University of Toronto Press, 1973.

Παραπομπή σε μορφή MLA (9th εκδ.)

Perkins, James Oliver Newton. Macro-economic Policy: A Comparative Study, Australia, Canada, New Zealand, South Africa. University of Toronto Press, 1973.