Gaya APA
Cashen, R, A.
(1981).
Solitude in the thought of Thomas Merton.
.
Kalamazoo:
Cistertian Publ.
Gaya MLA
Cashen, Richard, A..
"Solitude in the thought of Thomas Merton. ".
Kalamazoo:
Cistertian Publ,
1981.
Buku.