APA Style

Sukar, ., al, E. (1999). Penelitian sick bilding syndrome (SBS) di Jakarta (Laporan penelitian) . Jakarta: Puslitbang Ekologi Kesehatan, Badan Litbangkes.

MLA Style

Sukar, ., al, Et. "Penelitian sick bilding syndrome (SBS) di Jakarta (Laporan penelitian)". Jakarta: Puslitbang Ekologi Kesehatan, Badan Litbangkes, 1999. print.