(1992). Workplace Learning Curriculum Guides. Volume IV: Basic Skills General Educational Development (GED). [microform].
Cita Chicago (17th ed.)Workplace Learning Curriculum Guides. Volume IV: Basic Skills General Educational Development (GED). [microform]. 1992.
Cita MLA (9th ed.)Workplace Learning Curriculum Guides. Volume IV: Basic Skills General Educational Development (GED). [microform]. 1992.
Atenció: Aquestes cites poden no estar 100% correctes.