APA-viite (7. p.)
Hayward, A. (1980). God is: A scientist shows why it makes sense to believe in God. T. Nelson.
Chicago-viite (17. p.)
Hayward, Alan. God Is: A Scientist Shows Why It Makes Sense to Believe in God. Nashville, Tenn.: T. Nelson, 1980.
MLA-viite (9. p.)
Hayward, Alan. God Is: A Scientist Shows Why It Makes Sense to Believe in God. T. Nelson, 1980.
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