SEMBIRING, R. (1986). Buku Materi Pokok Asuransi I Modul 1-5. Karunika.
Chicago Style (17th ed.) CitationSEMBIRING, R.K. Buku Materi Pokok Asuransi I Modul 1-5. Karunika, 1986.
MLA (8th ed.) CitationSEMBIRING, R.K. Buku Materi Pokok Asuransi I Modul 1-5. Karunika, 1986.
Warning: These citations may not always be 100% accurate.