Pampolina, R. (2002). Natural gas vehicle program, inilunsad. Kabayan.
Chicagoスタイル(17版)引用形式Pampolina, Rexy. "Natural Gas Vehicle Program, Inilunsad." Kabayan 2002.
MLA(9版)引用形式Pampolina, Rexy. "Natural Gas Vehicle Program, Inilunsad." Kabayan, 2002.
警告: この引用は必ずしも正確ではありません.