Hodges, P., & Keable, J. (1989). How the pyramids were built. Element Books.
Chicago Style (17. basım) AtıfHodges, Peter, ve Julian Keable. How the Pyramids Were Built. London: Element Books, 1989.
MLA (9th ed.) AtıfHodges, Peter, ve Julian Keable. How the Pyramids Were Built. Element Books, 1989.
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