Παραπομπή APA

Todd Burpo. (2010). Heaven is for Real: A little boy's astounding story of his trip to heaven and back. Thomas Nelson.

Παραπομπή Chicago Style

Todd Burpo. Heaven Is for Real: A Little Boy's Astounding Story of His Trip to Heaven and Back. Thomas Nelson, 2010.

Παραπομπή MLA

Todd Burpo. Heaven Is for Real: A Little Boy's Astounding Story of His Trip to Heaven and Back. Thomas Nelson, 2010.