Islam / ed. by John Alden Williams. - N.Y. : Washington Square Press, [c.1961]. - ix, 241 p. ; 16 cm.см.. - (Great religions of modern man ; 075). - Bibliogr.: pp. 227-236. - ISBN 671-47082-5[MFN: 35531]
Islam / ed. by John Alden Williams. - N.Y. : G. Braziller, 1962. - 256 p. ; 21 cm.см.. - (Great religions of modern man). - ბიბლიოგრ.: გვ. 243-250[MFN: 44439]