Educational Horizons. Phi Delta Kappa International.
芝加哥风格引文Educational Horizons. Phi Delta Kappa International.
MLA引文Educational Horizons. Phi Delta Kappa International.
警告：这些引文格式不一定是100％准确.
APA引文
Educational Horizons. Phi Delta Kappa International.
芝加哥风格引文Educational Horizons. Phi Delta Kappa International.
MLA引文Educational Horizons. Phi Delta Kappa International.