Citazione Stile APA (7a Edizione)

Knowles, L. C. A. (1936). Economic development in the nineteenth century. G. Routledge & sons, ltd..

Citazione stile Chigago Style (17a edizione)

Knowles, L. C. A. Economic Development in the Nineteenth Century. G. Routledge & sons, ltd., 1936.

Citatione MLA (9a ed.)

Knowles, L. C. A. Economic Development in the Nineteenth Century. G. Routledge & sons, ltd., 1936.