Williamson, J. (1971). The choice of a pivot for parities. International Finance Section, Princeton University.
Citazione stile Chigago Style (17a edizione)Williamson, John. The Choice of a Pivot for Parities. Princeton, N.J: International Finance Section, Princeton University, 1971.
Citatione MLA (9a ed.)Williamson, John. The Choice of a Pivot for Parities. International Finance Section, Princeton University, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.