Brandellero, S. L. A. On a knife-edge. Oxford University Press.
Cita Chicago (17th ed.)Brandellero, Sara Lucia Amelia. On a Knife-edge. Oxford University Press.
Cita MLA (8th ed.)Brandellero, Sara Lucia Amelia. On a Knife-edge. Oxford University Press.
Atenció: Aquestes cites poden no estar 100% correctes.