Dyfyniad APA

National Academy of Sciences. (1934). Report of the national academy of sciences Q. United States Government Printing Office.

Dyfyniad Arddull Chicago

National Academy of Sciences. Report of the National Academy of Sciences Q. Washington: United States Government Printing Office, 1934.

Dyfyniad MLA

National Academy of Sciences. Report of the National Academy of Sciences Q. United States Government Printing Office, 1934.

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