(Persero), P. P. X. (1992). STATISTIK 1991. PTP XXVI.
Chicago Style (17th ed.) Citation(Persero), PT Perkebunan XXVI. STATISTIK 1991. PTP XXVI, 1992.
MLA (8th ed.) Citation(Persero), PT Perkebunan XXVI. STATISTIK 1991. PTP XXVI, 1992.
Warning: These citations may not always be 100% accurate.