Dyfyniad APA

National Research Council (U.S.). Physics Survey Committee. (1986). An overview. National Academy Press.

Dyfyniad Arddull Chicago

National Research Council (U.S.). Physics Survey Committee. An Overview. Washington, D.C.: National Academy Press, 1986.

Dyfyniad MLA

National Research Council (U.S.). Physics Survey Committee. An Overview. National Academy Press, 1986.

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