Citazione Stile APA (7a Edizione)

Kłossowski, A., & Diehl, K. (1991). The National Library in Warsaw: Collections and programmes. Biblioteka Narodowa.

Citazione stile Chigago Style (17a edizione)

Kłossowski, Andrzej, e Katarzyna Diehl. The National Library in Warsaw: Collections and Programmes. Warszawa: Biblioteka Narodowa, 1991.

Citatione MLA (9a ed.)

Kłossowski, Andrzej, e Katarzyna Diehl. The National Library in Warsaw: Collections and Programmes. Biblioteka Narodowa, 1991.