Kniffel, L. (2005). A Polish son in the motherland: An American's journey home. Texas A & M University Press.
Citazione stile Chigago Style (17a edizione)Kniffel, Leonard. A Polish Son in the Motherland: An American's Journey Home. College Station: Texas A & M University Press, 2005.
Citatione MLA (9a ed.)Kniffel, Leonard. A Polish Son in the Motherland: An American's Journey Home. Texas A & M University Press, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.