NSDB-UP program newsletter. NSDB-Assisted UPS Integrated Research Program.
芝加哥风格引文NSDB-UP Program Newsletter. Quezon City: NSDB-Assisted UPS Integrated Research Program.
MLA引文NSDB-UP Program Newsletter. NSDB-Assisted UPS Integrated Research Program.
警告：这些引文格式不一定是100％准确.