APA引文

Piper, D., & Murphey, C. (2007). Heaven is real: Lessons on earthly joy-- from the man who spent 90 minutes in heaven. Berkley Praise.

Chicago Style (17th ed.) Citation

Piper, Don, and Cecil Murphey. Heaven Is Real: Lessons on Earthly Joy-- from the Man Who Spent 90 Minutes in Heaven. New York: Berkley Praise, 2007.

MLA引文

Piper, Don, and Cecil Murphey. Heaven Is Real: Lessons on Earthly Joy-- from the Man Who Spent 90 Minutes in Heaven. Berkley Praise, 2007.

警告：這些引文格式不一定是100％准確.