National Research Council and Institute of Medicine; Division of Behavioral and Social Sciences and Education; Commission on Beh National Academies Press 1995 Pehmeäkantinen kirja
National Research Council and Institute of Medicine; Division of Behavioral and Social Sciences and Education; Commission on Beh National Academies Press 1994 Pehmeäkantinen kirja
National Research Council and Institute of Medicine; Division of Behavioral and Social Sciences and Education; Commission on Beh National Academies Press 1998 Kovakantinen kirja
National Research Council and Institute of Medicine; Division of Behavioral and Social Sciences and Education; Commission on Beh National Academies Press 1990 Pehmeäkantinen kirja