Medan, B. (1988). Laporan Tahunan 1988. BPP Medan.
Chicago Style (17th ed.) CitationMedan, BPP. Laporan Tahunan 1988. BPP Medan, 1988.
MLA (8th ed.) CitationMedan, BPP. Laporan Tahunan 1988. BPP Medan, 1988.
Warning: These citations may not always be 100% accurate.