Spencer, H. The dynamic psychology of education. s.n.
芝加哥风格引文Spencer, Herbert. The Dynamic Psychology of Education. [S.l: s.n.
MLA引文Spencer, Herbert. The Dynamic Psychology of Education. s.n.
警告：这些引文格式不一定是100％准确.
APA引文
Spencer, H. The dynamic psychology of education. s.n.
芝加哥风格引文Spencer, Herbert. The Dynamic Psychology of Education. [S.l: s.n.
MLA引文Spencer, Herbert. The Dynamic Psychology of Education. s.n.