Gaya APA

Siahaan, D. (2010). Proceedings INTERNATIONAL OIL PALM CONFERENCE 2010: Product development & process technology . Medan: Pusat Penelitian Kelapa Sawit IOPRI.

Gaya MLA

Siahaan, Donald. "Proceedings INTERNATIONAL OIL PALM CONFERENCE 2010: Product development & process technology". Medan: Pusat Penelitian Kelapa Sawit IOPRI, 2010. Text.