Clark, N., & Juma, C. (1987). Long-run economics: An evolutionary approach to economic growth. Pinter Publishers Limited.
Cita Chicago (17th ed.)Clark, Norman, i Calestous Juma. Long-run Economics: An Evolutionary Approach to Economic Growth. London: Pinter Publishers Limited, 1987.
Cita MLA (9th ed.)Clark, Norman, i Calestous Juma. Long-run Economics: An Evolutionary Approach to Economic Growth. Pinter Publishers Limited, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.