Παραπομπή σε μορφή APA (7η εκδ.)

Clark, N., & Juma, C. (1987). Long-run economics: An evolutionary approach to economic growth. Pinter Publishers Limited.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Clark, Norman, και Calestous Juma. Long-run Economics: An Evolutionary Approach to Economic Growth. London: Pinter Publishers Limited, 1987.

Παραπομπή σε μορφή MLA (9th εκδ.)

Clark, Norman, και Calestous Juma. Long-run Economics: An Evolutionary Approach to Economic Growth. Pinter Publishers Limited, 1987.