APA Citation

Suwita, T. (1989). Keselamatan kerja. LPP.

Chicago Style Citation

Suwita, Tata. Keselamatan Kerja. LPP, 1989.

MLA Citation

Suwita, Tata. Keselamatan Kerja. LPP, 1989.

Warning: These citations may not always be 100% accurate.