Cohen, S. E., Tigerman, S., & Baird, G. (1981). Chicago tribune tower competition & late entries: By Stanley Tigerman. Rizzoli.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCohen, Stuart E., Stanley Tigerman, और George Baird. Chicago Tribune Tower Competition & Late Entries: By Stanley Tigerman. New York: Rizzoli, 1981.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCohen, Stuart E., et al. Chicago Tribune Tower Competition & Late Entries: By Stanley Tigerman. Rizzoli, 1981.
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