Piper, D. (2006). 90 minutes in heaven: A true story of death and life.
Cita Chicago Style (17a ed.)Piper, Don. 90 Minutes in Heaven: A True Story of Death and Life. 2006.
Cita MLA (8a ed.)Piper, Don. 90 Minutes in Heaven: A True Story of Death and Life. 2006.
Precaución: Estas citas no son 100% exactas.