Roberts, A. D. (1975). Educational innovation: Alternatives in curriculum and instruction. Allyn and Bacon.
芝加哥风格引文Roberts, Arthur D. Educational Innovation: Alternatives in Curriculum and Instruction. Boston: Allyn and Bacon, 1975.
MLA引文Roberts, Arthur D. Educational Innovation: Alternatives in Curriculum and Instruction. Allyn and Bacon, 1975.
警告：这些引文格式不一定是100％准确.