Gaya APA
Spangler, D., Thompson, W, I. (1976).
Revelation: The Birth of a New Age .
San Fransisco, California:
The Rainbow Bridge.
Gaya MLA
Spangler, David., Thompson, William, Irwin.
"Revelation: The Birth of a New Age".
San Fransisco, California:
The Rainbow Bridge,
1976.
e-book.