Barnido, R. D. Statistical analysis of the price and production of copra in Zamboanga del Sur.
芝加哥风格引文Barnido, Rodrigo D. Statistical Analysis of the Price and Production of Copra in Zamboanga Del Sur.
MLA引文Barnido, Rodrigo D. Statistical Analysis of the Price and Production of Copra in Zamboanga Del Sur.
警告：这些引文格式不一定是100％准确.