Citazione Stile APA (7a Edizione)

Belen, E. H. (2001). Tapping biomass as energy source in the Philippines. PCARRD Monitor.

Citazione stile Chigago Style (17a edizione)

Belen, Erlinda H. "Tapping Biomass as Energy Source in the Philippines." PCARRD Monitor 2001.

Citatione MLA (9a ed.)

Belen, Erlinda H. "Tapping Biomass as Energy Source in the Philippines." PCARRD Monitor, 2001.