8"Teachers and trainers in vocational training" (Volume 4- Finland, iceland, Norway and Sweden) (Written by Jette, harrybye, Hohn Houman Sorensen, etc, published by CEDEFOP, 1997) 瑞典部分.第40-43页.
9"Teachers and trainers in vocational training" (Volume 4. Finland, Iceland, Norway and Sweden) (Written by Jette, harrybye, Hohn Houman Sorensen, etc, published by CEDEFOP, 1997) .挪威部分,第39-43页.
10"Teachers and trainers in vocational training" (Volume 4: Finland, Iceland, Norway and Sweden) (Written by Jette, harrybye, Hohn Houman Sorensen, etc, published by CEDEFOP, 1997)丹麦部分 .第41-42页.