Gaya APA
Knowles, D, (.
(-1971).
What is mysticism? (repr.) Cet.pertama 1967.
.
London dsl:
Sheed and Ward.
Gaya MLA
Knowles, David., (1896-1974)..
"What is mysticism? (repr.) Cet.pertama 1967. ".
London dsl:
Sheed and Ward,
-1971.
Buku.