Bibilografi hlm.117-120
Bibliografi hlm.137-139
Bibliografi: hlm. 271SAS 2X7.3CRB 2X7.3KDR 2X7.3PLK 2X7.3
Bibl:hlm.134
Judul asli:The Educational Significance of the Future
Biografi hlm. 208-210
Bibl:hlm.140-141
Bibilografi hlm. 242
Bibl.hlm.275-279
Bibl: hlm. 269-280, Indeks:hlm. 281-288
Bibl: hlm. 279-284 / indeks; hlm. 285-288
KDR 371.201WSS 370.1SUSKA 371.1PLK 371.201
Bibl. hlm. 585-597Ind. hlm. 599-607
Bibliografi366-372
Bibl:hlm.495-499
Bibl: hlm. 197-200
Bibl:hlm.224
Bibl:hlm.443-450Indeks:hlm.465-478
Bibl: 203-205