Gaya APA
Vonier, A, O.
(1920).
The human soul and its relations with other spirits, 2nd ed.
.
London dsl:
Herder.
Gaya MLA
Vonier, A.,, O.S.B..
"The human soul and its relations with other spirits, 2nd ed. ".
London dsl:
Herder,
1920.
Buku.