Dyfyniad APA

(2006). 2004 National Postsecondary Student Aid Study (NPSAS: 04) Full-Scale Methodology Report. U.S. Department of Education.

Dyfyniad Arddull Chicago

2004 National Postsecondary Student Aid Study (NPSAS: 04) Full-Scale Methodology Report. U.S. Department of Education, 2006.

Dyfyniad MLA

2004 National Postsecondary Student Aid Study (NPSAS: 04) Full-Scale Methodology Report. U.S. Department of Education, 2006.

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