Fox, M., & Sheldrake, R. (2004). The physics of angels: Exploring the realm where science and spirit meet / Matthew Fox and Rupert Sheldrake. Harper SF.
Chicago-viite (17. p.)Fox, Matthew, ja Rupert Sheldrake. The Physics of Angels: Exploring the Realm Where Science and Spirit Meet / Matthew Fox and Rupert Sheldrake. New York: Harper SF, 2004.
MLA-viite (8. p.)Fox, Matthew, ja Rupert Sheldrake. The Physics of Angels: Exploring the Realm Where Science and Spirit Meet / Matthew Fox and Rupert Sheldrake. Harper SF, 2004.
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