Dyfyniad APA

(1988). Income Text Procedure 1987 Tax Retures 1988 Tax Planning. South Westen Publishing Co.

Dyfyniad Arddull Chicago

Income Text Procedure 1987 Tax Retures 1988 Tax Planning. South Westen Publishing Co, 1988.

Dyfyniad MLA

Income Text Procedure 1987 Tax Retures 1988 Tax Planning. South Westen Publishing Co, 1988.

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