Gaya APA
Journal of Human Development (JHumDev). Ada: 2003 dsl.
.
(2003).
Abingdon:
Carfax Publishing & UNDP..
Gaya MLA
Journal of Human Development (JHumDev). Ada: 2003 dsl.
.
.
Abingdon:
Carfax Publishing & UNDP.,
2003.
Buku.