Dyfyniad APA

Porter-Roth. (2002). Request for proposal: A guide to effective RFP development. Addison-Wesley.

Dyfyniad Arddull Chicago

Porter-Roth. Request for Proposal: A Guide to Effective RFP Development. Boston,MA: Addison-Wesley, 2002.

Dyfyniad MLA

Porter-Roth. Request for Proposal: A Guide to Effective RFP Development. Addison-Wesley, 2002.

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