Jennings, T. C., & O'Keefe, L. (2012). Gopher to the rescue!: A volcano recovery story. Sylvan Dell Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJennings, Terry Catasús, और Laurie O'Keefe. Gopher to the Rescue!: A Volcano Recovery Story. Mt. Pleasant, SC: Sylvan Dell Pub., 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJennings, Terry Catasús, और Laurie O'Keefe. Gopher to the Rescue!: A Volcano Recovery Story. Sylvan Dell Pub., 2012.
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