Jefferys, E. M. (1901). The great mystery: Two studies on the same subject, one in the book of Revelation, the other in the book of nature. G.W. Jacobs & co.
Παραπομπή σε μορφή Chicago (17η εκδ.)Jefferys, Elizabeth Miller. The Great Mystery: Two Studies on the Same Subject, One in the Book of Revelation, the Other in the Book of Nature. Philadelphia: G.W. Jacobs & co, 1901.
Παραπομπή σε μορφή MLA (9th εκδ.)Jefferys, Elizabeth Miller. The Great Mystery: Two Studies on the Same Subject, One in the Book of Revelation, the Other in the Book of Nature. G.W. Jacobs & co, 1901.
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