Schramm, W. L. (1977). Big media, little media: Tools and technologies for instruction. Sage Publications.
芝加哥风格引文Schramm, Wilbur Lang. Big Media, Little Media: Tools and Technologies for Instruction. Beverly Hills: Sage Publications, 1977.
MLA引文Schramm, Wilbur Lang. Big Media, Little Media: Tools and Technologies for Instruction. Sage Publications, 1977.
警告：这些引文格式不一定是100％准确.