Gaya APA

Karkkainen, S., Mutanen, K. (1985). Energi Project Based On Peat And Biomass In Indonesia Selection On The Project Site Description Of The Project Site Supplements To The Project Plan . Bandung: Dapartement Of Mines And Energy Of Indonesia.

Gaya MLA

Karkkainen, Seppo., Mutanen, Keijo. "Energi Project Based On Peat And Biomass In Indonesia Selection On The Project Site Description Of The Project Site Supplements To The Project Plan". Bandung: Dapartement Of Mines And Energy Of Indonesia, 1985. Batubara.