Gaya APA

Purwanto, Y. et al (2014). Integrated management plan , Siberut Biosphere Reserve 2013-2022 . : MOF, LIPI Siberut National Park.

Gaya MLA

Purwanto, Y.. et al. "Integrated management plan , Siberut Biosphere Reserve 2013-2022". : MOF, LIPI Siberut National Park, 2014. Text.