Emanuel, b. (2003). Pengendalian Gulma: Di perkebunan / Emanuel barus. Kanisius.
Chicago Style (17th ed.) CitationEmanuel, barus. Pengendalian Gulma: Di Perkebunan / Emanuel Barus. Kanisius, 2003.
MLA (8th ed.) CitationEmanuel, barus. Pengendalian Gulma: Di Perkebunan / Emanuel Barus. Kanisius, 2003.
Warning: These citations may not always be 100% accurate.