Dyfyniad APA

(2007).  J. K. Lasser''s your income tax 2008: Professional edition.  John Wiley & Son, Inc.

Dyfyniad Arddull Chicago

 J. K. Lasser''s Your Income Tax 2008: Professional Edition.  John Wiley & Son, Inc, 2007.

Dyfyniad MLA

 J. K. Lasser''s Your Income Tax 2008: Professional Edition.  John Wiley & Son, Inc, 2007.

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