ebrary, Inc, & Nata, R. V. (2009). Progress in education. Nova Science Publishers, Inc..
芝加哥风格引文ebrary, Inc, 与 Robert V. Nata. Progress in Education. New York: Nova Science Publishers, Inc., 2009.
MLA引文ebrary, Inc, 与 Robert V. Nata. Progress in Education. Nova Science Publishers, Inc., 2009.
警告:这些引文格式不一定是100%准确.