Pienkos, D. E. (1984). PNA: A centennial history of the Polish National Alliance of the United States of North America. East European Monographs.
Citazione stile Chigago Style (17a edizione)Pienkos, Donald E.. PNA: A Centennial History of the Polish National Alliance of the United States of North America. Boulder: East European Monographs, 1984.
Citatione MLA (9a ed.)Pienkos, Donald E.. PNA: A Centennial History of the Polish National Alliance of the United States of North America. East European Monographs, 1984.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.