Dyfyniad APA

ProQuest (Firm). (2000). 50 years of ocean discovery: National Science Foundation, 1950-2000. National Academies Press.

Dyfyniad Arddull Chicago

ProQuest (Firm). 50 Years of Ocean Discovery: National Science Foundation, 1950-2000. Washington, D.C.: National Academies Press, 2000.

Dyfyniad MLA

ProQuest (Firm). 50 Years of Ocean Discovery: National Science Foundation, 1950-2000. National Academies Press, 2000.

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