Marti, D. B. (1958). Key: Supplement. Problems and forms for Income tax and social security course. Prentice-Hall.
Dyfyniad Arddull ChicagoMarti, David Benjamin. Key: Supplement. Problems and Forms for Income Tax and Social Security Course. [New York]: Prentice-Hall, 1958.
Dyfyniad MLAMarti, David Benjamin. Key: Supplement. Problems and Forms for Income Tax and Social Security Course. Prentice-Hall, 1958.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.