Dyfyniad APA
Sheffer, M., & Taylor, C. L. (2008). Development of DRIs 1994-2004: Lessons learned and new challenges : workshop summary. National Academies Press.
Dyfyniad Arddull Chicago
Sheffer, Marla, and Christine Lewis Taylor. Development of DRIs 1994-2004: Lessons Learned and New Challenges : Workshop Summary. Washington, D.C.: National Academies Press, 2008.
Dyfyniad MLA
Sheffer, Marla, and Christine Lewis Taylor. Development of DRIs 1994-2004: Lessons Learned and New Challenges : Workshop Summary. National Academies Press, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.