Velasco, G. Z., & Valte, M. R. (2006). Trailblazing: The quest for energy self-reliance. Published and exclusively distributed by Anvil.
Citazione stile Chigago Style (17a edizione)Velasco, Geronimo Z., e Maricris R. Valte. Trailblazing: The Quest for Energy Self-reliance. Manila: Published and exclusively distributed by Anvil, 2006.
Citatione MLA (9a ed.)Velasco, Geronimo Z., e Maricris R. Valte. Trailblazing: The Quest for Energy Self-reliance. Published and exclusively distributed by Anvil, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.