Dyfyniad APA

(1987). West's Federal Taxation Individual Income Taxes Edited By William H. Hoffman ... 1988 Anual Ed. West Publishing Company.

Dyfyniad Arddull Chicago

West's Federal Taxation Individual Income Taxes Edited By William H. Hoffman ... 1988 Anual Ed. West Publishing Company, 1987.

Dyfyniad MLA

West's Federal Taxation Individual Income Taxes Edited By William H. Hoffman ... 1988 Anual Ed. West Publishing Company, 1987.

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