RI, D. J. P. P. D. (1989). Sampah. Ditjen PPM PLP Depkes RI.
Chicago Style CitationRI, Dit Jen PPM PLP Depkes. Sampah. Ditjen PPM PLP Depkes RI, 1989.
MLA CitationRI, Dit Jen PPM PLP Depkes. Sampah. Ditjen PPM PLP Depkes RI, 1989.
Warning: These citations may not always be 100% accurate.