Statistik, B. P. (1991). STATISTIK UPAH KARYAWAN PERKEBUNAN 1990. BPS.
Chicago Style (17th ed.) CitationStatistik, Biro Pusat. STATISTIK UPAH KARYAWAN PERKEBUNAN 1990. BPS, 1991.
MLA (8th ed.) CitationStatistik, Biro Pusat. STATISTIK UPAH KARYAWAN PERKEBUNAN 1990. BPS, 1991.
Warning: These citations may not always be 100% accurate.