(Persero), P. P. X. (1982). VADEMECUM CENGKEH. [s.n].
Chicago Style (17th ed.) Citation(Persero), PT Perkebunan XXVI. VADEMECUM CENGKEH. [s.n], 1982.
MLA (8th ed.) Citation(Persero), PT Perkebunan XXVI. VADEMECUM CENGKEH. [s.n], 1982.
Warning: These citations may not always be 100% accurate.