Neirick. When Pigs Could Fly and Bears Could Dance. University of Wisconsin Press.
Cita Chicago (17th ed.)Neirick. When Pigs Could Fly and Bears Could Dance. University of Wisconsin Press.
Cita MLA (9th ed.)Neirick. When Pigs Could Fly and Bears Could Dance. University of Wisconsin Press.
Atenció: Aquestes cites poden no estar 100% correctes.