Cita APA

Betz Laboratories, I., & Betz Laboratories, I. (1980). Betz handbook of industrial water conditioning (8. edition --.). Trevose Pa: The Laboratories.

Citación estilo Chicago

Betz Laboratories, Inc., y Inc Betz Laboratories. Betz Handbook of Industrial Water Conditioning. 8. edition --. Trevose Pa: The Laboratories, 1980.

Cita MLA

Betz Laboratories, Inc., y Inc Betz Laboratories. Betz Handbook of Industrial Water Conditioning. 8. edition --. Trevose Pa: The Laboratories, 1980.