APA (7 वां संस्करण) प्रशस्ति पत्र
Howeler, E. (2003). Skyscraper: Designs of the recent past and for the near future. Thames & Hudson.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Howeler, Eric. Skyscraper: Designs of the Recent Past and for the Near Future. London: Thames & Hudson, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Howeler, Eric. Skyscraper: Designs of the Recent Past and for the Near Future. Thames & Hudson, 2003.
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