(1989). Lembaran daerah Propinsi Daerah Tk. I Sumatera Utara 1987-. Washington, D.C. : Jakarta: Library of Congress Photo Duplication Service ; The LC Office.
Chicago Style CitationLembaran Daerah Propinsi Daerah Tk. I Sumatera Utara 1987-. Washington, D.C. : Jakarta: Library of Congress Photo Duplication Service ; The LC Office, 1989.
MLA CitationLembaran Daerah Propinsi Daerah Tk. I Sumatera Utara 1987-. Washington, D.C. : Jakarta: Library of Congress Photo Duplication Service ; The LC Office, 1989.
Warning: These citations may not always be 100% accurate.