Schramm, W. L. (1977). Big media, little media: Tools and technologies for instruction. Sage Publications.
Cita Chicago (17th ed.)Schramm, Wilbur Lang. Big Media, Little Media: Tools and Technologies for Instruction. Beverly Hills: Sage Publications, 1977.
Cita MLA (9th ed.)Schramm, Wilbur Lang. Big Media, Little Media: Tools and Technologies for Instruction. Sage Publications, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.