Sprinkle, J. (1982). Echinoderm faunas from the Bromide Formation (Middle Ordovician) of Oklahoma. University of Kansas Paleontological Institute.
芝加哥风格引文Sprinkle, James. Echinoderm Faunas from the Bromide Formation (Middle Ordovician) of Oklahoma. Lawrence, Kan.: University of Kansas Paleontological Institute, 1982.
MLA引文Sprinkle, James. Echinoderm Faunas from the Bromide Formation (Middle Ordovician) of Oklahoma. University of Kansas Paleontological Institute, 1982.
警告：这些引文格式不一定是100％准确.