Punzalan, R. G., & Ramos, R. B., Jr. Technology and productivity in the Philippines.
芝加哥风格引文Punzalan, Raynalyn G., 与 Roberto B. Ramos, Jr. Technology and Productivity in the Philippines.
MLA引文Punzalan, Raynalyn G., 与 Roberto B. Ramos, Jr. Technology and Productivity in the Philippines.
警告：这些引文格式不一定是100％准确.