Gaya APA
Knowles, D, (. (-1964).
The english mystical tradition, (repr.). - Cardinal books. Penerbitan asli 1961. .
London:
Burns & Oates.
Gaya MLA
Knowles, D., (1896-1974)..
"The english mystical tradition, (repr.). - Cardinal books. Penerbitan asli 1961. ".
London:
Burns & Oates,
-1964.
Buku.