Coronet Instructional Films (Firm). (1972). Conserving our environment: Use and reuse : the pollution crisis. Coronet MTI Film & Video.
Citación estilo ChicagoCoronet Instructional Films (Firm). Conserving Our Environment: Use and Reuse : The Pollution Crisis. Northbrook, Illinois: Coronet MTI Film & Video, 1972.
Cita MLACoronet Instructional Films (Firm). Conserving Our Environment: Use and Reuse : The Pollution Crisis. Coronet MTI Film & Video, 1972.
Warning: These citations may not always be 100% accurate.