Habachi, L., & Van Siclen, C. C. (1977). The obelisks of Egypt: Skyscrapers of the past (First edition.). Charles Scribner's Sons.
Citace podle Chicago (17th ed.)Habachi, Labib., a Charles C. Van Siclen. The Obelisks of Egypt: Skyscrapers of the Past. First edition. New York: Charles Scribner's Sons, 1977.
Citace podle MLA (8th ed.)Habachi, Labib., a Charles C. Van Siclen. The Obelisks of Egypt: Skyscrapers of the Past. First edition. Charles Scribner's Sons, 1977.
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