Gaya APA

Davidson, J, D., Mogg, L, W, R. (1991). The great reckoning : how the world will change in the depression of the 1990 s . New York: Summit Books.

Gaya MLA

Davidson, James, Dale., Mogg, Lord, William, Rees-. "The great reckoning : how the world will change in the depression of the 1990 s". New York: Summit Books, 1991. Text.