Παραπομπή σε μορφή APA (7η εκδ.)

Cooper, D., & Hopper, T. (1988). Debating coal closures: Economic calculation in the coal dispute, 1984-5. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Cooper, David, και Trevor Hopper. Debating Coal Closures: Economic Calculation in the Coal Dispute, 1984-5. Cambridge [England] ; New York: Cambridge University Press, 1988.

Παραπομπή σε μορφή MLA (8th εκδ.)

Cooper, David, και Trevor Hopper. Debating Coal Closures: Economic Calculation in the Coal Dispute, 1984-5. Cambridge University Press, 1988.