Simanjuntak, H. (1991). Delapan bahasa dunia. Kesaint Blanc.
Chicago Style (17th ed.) CitationSimanjuntak, Herpinus. Delapan Bahasa Dunia. Kesaint Blanc, 1991.
MLA (8th ed.) CitationSimanjuntak, Herpinus. Delapan Bahasa Dunia. Kesaint Blanc, 1991.
Warning: These citations may not always be 100% accurate.