Dyfyniad APA

National Quotation Bureau (U.S.). The National monthly bond summary. National Quotation Bureau.

Dyfyniad Arddull Chicago

National Quotation Bureau (U.S.). The National Monthly Bond Summary. New York: National Quotation Bureau.

Dyfyniad MLA

National Quotation Bureau (U.S.). The National Monthly Bond Summary. National Quotation Bureau.

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