XI, P. N. (2005). LAPORAN TAHUNAN-ANNUAL REPORT PTPN XI TH 2004. PTPN XI.
Chicago Style (17th ed.) CitationXI, Perkebunan Nusantara. LAPORAN TAHUNAN-ANNUAL REPORT PTPN XI TH 2004. PTPN XI, 2005.
MLA (8th ed.) CitationXI, Perkebunan Nusantara. LAPORAN TAHUNAN-ANNUAL REPORT PTPN XI TH 2004. PTPN XI, 2005.
Warning: These citations may not always be 100% accurate.