Dyfyniad APA
Dewar, J. D., & Anderson, R. (1992). Manual of ready-mixed concrete (2nd ed.). Blackie Academic & Professional.
Dyfyniad Arddull Chicago
Dewar, J. D., and R. Anderson. Manual of Ready-mixed Concrete. 2nd ed. London ; New York: Blackie Academic & Professional, 1992.
Dyfyniad MLA
Dewar, J. D., and R. Anderson. Manual of Ready-mixed Concrete. 2nd ed. Blackie Academic & Professional, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.