, B. P. P. J. (1989). Warta Balai Penelitian Perkebunan Jember No.8 Thn.1989. Balai Penelitian Perkebunan.
Chicago Style (17th ed.) Citation, Balai Penelitian Perkebunan Jember. Warta Balai Penelitian Perkebunan Jember No.8 Thn.1989. Balai Penelitian Perkebunan, 1989.
MLA (8th ed.) Citation, Balai Penelitian Perkebunan Jember. Warta Balai Penelitian Perkebunan Jember No.8 Thn.1989. Balai Penelitian Perkebunan, 1989.
Warning: These citations may not always be 100% accurate.