Blofeld, J. (1965). I Ching: The book of change. London: Mandala Books.
Trích dẫn kiểu ChicagoBlofeld, John. I Ching: The Book of Change. London: Mandala Books, 1965.
Deismireacht MLABlofeld, John. I Ching: The Book of Change. London: Mandala Books, 1965.
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