APA

Rudolph H., Rocha R., . (2007). Competition and Performance in the Polish Second Pillar. Washington: The World Bank.

Chicago

Rudolph Heinz, Rocha Roberto, . 2007. Competition and Performance in the Polish Second Pillar. Washington: The World Bank.

Harvard

Rudolph H., Rocha R., . (2007). Competition and Performance in the Polish Second Pillar. Washington: The World Bank.

MLA

Rudolph Heinz, Rocha Roberto, . Competition and Performance in the Polish Second Pillar. Washington: The World Bank. 2007.