Rabottini, A., Heiser, J., Hobbs, R., Ruby, S., & Taft, C. (2009). Sterling Ruby: Editor: Alessandro Rabottini ; texts: Jörg Heiser, Robert Hobbs, Alessandro Rabottini, Sterling Ruby, Catherine Taft. JRP Ringier.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRabottini, Alessandro, Jörg Heiser, Robert Hobbs, Sterling Ruby, और Catherine Taft. Sterling Ruby: Editor: Alessandro Rabottini ; Texts: Jörg Heiser, Robert Hobbs, Alessandro Rabottini, Sterling Ruby, Catherine Taft. Zurich: JRP Ringier, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRabottini, Alessandro, et al. Sterling Ruby: Editor: Alessandro Rabottini ; Texts: Jörg Heiser, Robert Hobbs, Alessandro Rabottini, Sterling Ruby, Catherine Taft. JRP Ringier, 2009.
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