Ronda, R. A. Pinoy tech startup develops GPS info system for LRT-2. IN Science & Environment. The Philippine Star.
芝加哥风格引文Ronda, Rainier Allan. "Pinoy Tech Startup Develops GPS Info System for LRT-2. IN Science & Environment." The Philippine Star .
MLA引文Ronda, Rainier Allan. "Pinoy Tech Startup Develops GPS Info System for LRT-2. IN Science & Environment." The Philippine Star, .
警告：这些引文格式不一定是100％准确.