Feather, R. M., Snyder, S. L., & T Hesser, D. (1993). Merrill earth science. McGraw-Hill.
Chicago Style (17th ed.) CitationFeather, Ralph M., Susan Leach Snyder, and Dale T Hesser. Merrill Earth Science. New York: McGraw-Hill, 1993.
MLA引文Feather, Ralph M., et al. Merrill Earth Science. McGraw-Hill, 1993.
警告:這些引文格式不一定是100%准確.