Gaya APA
Wink, W. (1986).
The Powers, vol.2: Unmasking the powers: the invisible force that determine human existence. .
Minneapolis:
Fortress Press.
Gaya MLA
Wink, Walter.
"The Powers, vol.2: Unmasking the powers: the invisible force that determine human existence. ".
Minneapolis:
Fortress Press,
1986.
Buku.