Dyfyniad APA
Pechman, J. A. (1977). Federal tax policy (3rd ed.). Brookings Institution.
Dyfyniad Arddull Chicago
Pechman, Joseph A. Federal Tax Policy. 3rd ed. Washington: Brookings Institution, 1977.
Dyfyniad MLA
Pechman, Joseph A. Federal Tax Policy. 3rd ed. Brookings Institution, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.