Gaya APA

Putra, R, M. (2016). Summer Course 2016: Ecosystem based Disaster Risk Reduction (Tahun 2016). BMKG Indonesia: .

Gaya MLA

Putra, Richard, Mahendra. "Summer Course 2016: Ecosystem based Disaster Risk Reduction". Tahun 2016 BMKG Indonesia: , 2016. Buku.