Dolmatz, M. S., & Wong, H. K. (1971). Physical science. Prentice-Hall.
Dyfyniad Arddull ChicagoDolmatz, Malvin S., and Harry K. Wong. Physical Science. Englewood Cliffs: Prentice-Hall, 1971.
Dyfyniad MLADolmatz, Malvin S., and Harry K. Wong. Physical Science. Prentice-Hall, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.