Short Course on Lophophorates, Cincinnati, Ohio, Paleontological Society, Cincinnati Museum of Natural History, University of Cincinnati. Dept. of Geology, Short Course on Lophophorates, Boardman, R. S., & Dutro, J. T. (1981). Lophophorates--notes for a short course. University of Tennessee.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रShort Course on Lophophorates, Cincinnati, Ohio, Paleontological Society, Cincinnati Museum of Natural History, University of Cincinnati. Dept. of Geology, Short Course on Lophophorates, Richard S. Boardman, और J. Thomas Dutro. Lophophorates--notes for a Short Course. Knoxville: University of Tennessee, 1981.
एमएलए (8वां संस्करण) प्रशस्ति पत्रShort Course on Lophophorates, Cincinnati, Ohio, et al. Lophophorates--notes for a Short Course. University of Tennessee, 1981.