Dyfyniad APA

(2008). Guidelines for chemical transportation safety,security,and risk management (2nd ed.). John Wiley & Sons.

Dyfyniad Arddull Chicago

Guidelines for Chemical Transportation Safety,security,and Risk Management. 2nd ed. New Jersey: John Wiley & Sons, 2008.

Dyfyniad MLA

Guidelines for Chemical Transportation Safety,security,and Risk Management. 2nd ed. John Wiley & Sons, 2008.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.