APA-referens (7:e uppl.)

Harnetty, P. (1972). Imperialism and free trade: Lancashire and India in the mid-nineteenth century. University of British Columbia Press.

Chicago-referens (17:e uppl.)

Harnetty, Peter. Imperialism and Free Trade: Lancashire and India in the Mid-nineteenth Century. Vancouver: University of British Columbia Press, 1972.

MLA-referens (8:e uppl.)

Harnetty, Peter. Imperialism and Free Trade: Lancashire and India in the Mid-nineteenth Century. University of British Columbia Press, 1972.