Cita APA (7th ed.)

Downs, A. (1973). Library survival and the economics of social change [soundrecording].

Cita Chicago (17th ed.)

Downs, Anthony. Library Survival and the Economics of Social Change [soundrecording]. Los Angeles, Calif.: CREDR Corp, 1973.

Cita MLA (9th ed.)

Downs, Anthony. Library Survival and the Economics of Social Change [soundrecording]. 1973.

Atenció: Aquestes cites poden no estar 100% correctes.