Gaya APA
Sperry, Willard L.. (1946).
Religion in America .
Boston:
Cambridge University Press.
Gaya Chicago
Sperry, Willard L..
Religion in America.
Boston:
Cambridge University Press,
1946.
.
Gaya MLA
Sperry, Willard L..
Religion in America.
Boston:
Cambridge University Press,
1946.
.
Gaya Turabian
Sperry, Willard L..
Religion in America.
Boston:
Cambridge University Press,
1946.
.