Cheremisinoff, N. P., & Cheremisinoff, P. N. (1992). Pumps and pumping operations. Prentice Hall.
Dyfyniad Arddull ChicagoCheremisinoff, Nicholas P., and Paul N. Cheremisinoff. Pumps and Pumping Operations. Englewood Cliffs, N.J.: Prentice Hall, 1992.
Dyfyniad MLACheremisinoff, Nicholas P., and Paul N. Cheremisinoff. Pumps and Pumping Operations. Prentice Hall, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.