Cita APA

Steel, E. W. n. 1., & Steel, E. W. n. 1. (1953). Water supply and sewerage (3. edition.). New York, New York: McGraw-Hill.

Citación estilo Chicago

Steel, Ernest William n. 1893, y Ernest William n. 1893 Steel. Water Supply and Sewerage. 3. edition. New York, New York: McGraw-Hill, 1953.

Cita MLA

Steel, Ernest William n. 1893, y Ernest William n. 1893 Steel. Water Supply and Sewerage. 3. edition. New York, New York: McGraw-Hill, 1953.

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