Commerce Clearing House. (1964). Federal estate and gift taxes, code and regulations, as of August 15, 1964. s.n.
Dyfyniad Arddull ChicagoCommerce Clearing House. Federal Estate and Gift Taxes, Code and Regulations, as of August 15, 1964. Chicago: s.n, 1964.
Dyfyniad MLACommerce Clearing House. Federal Estate and Gift Taxes, Code and Regulations, as of August 15, 1964. s.n, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.