II, P. P. N. (2013). Berita dari Deli no.17 jan-maret 2013: Kelapa sawit Sumut,business plan RS PTPN II. PTPN II.
Chicago Style (17th ed.) CitationII, PT PERKEBUNAN NUSANTARA. Berita Dari Deli No.17 Jan-maret 2013: Kelapa Sawit Sumut,business Plan RS PTPN II. PTPN II, 2013.
MLA (8th ed.) CitationII, PT PERKEBUNAN NUSANTARA. Berita Dari Deli No.17 Jan-maret 2013: Kelapa Sawit Sumut,business Plan RS PTPN II. PTPN II, 2013.
Warning: These citations may not always be 100% accurate.