Gaya APA
dll., I, . (1995).
Child labor in three metropolitan cities: Jakarta, Surabaya, Medan. By Irwanto, Sutrisno R. Pardoen, Sahat Sitohang, Attas Hendartini Habsyah, Laurike Moeliono, foreword by Suyono Yahya. .
Jakarta:
Jakarta Unicef & Atma Jaya Research Centre.
Gaya MLA
dll., Irwanto, .
"Child labor in three metropolitan cities: Jakarta, Surabaya, Medan. By Irwanto, Sutrisno R. Pardoen, Sahat Sitohang, Attas Hendartini Habsyah, Laurike Moeliono, foreword by Suyono Yahya. ".
Jakarta:
Jakarta Unicef & Atma Jaya Research Centre,
1995.
Buku.