Koller, G. R. (1977). The effectiveness of an implementation of an elementary school science program with a science resource supply center.
芝加哥风格引文Koller, Geraldine Rhea. The Effectiveness of an Implementation of an Elementary School Science Program with a Science Resource Supply Center. 1977.
MLA引文Koller, Geraldine Rhea. The Effectiveness of an Implementation of an Elementary School Science Program with a Science Resource Supply Center. 1977.
警告：这些引文格式不一定是100％准确.