Sarmiento, P. (1998). Metal production strong in 1st qtr, dismal in 2nd qtr. Manila Times.
芝加哥风格引文Sarmiento, Prime. "Metal Production Strong in 1st Qtr, Dismal in 2nd Qtr." Manila Times 1998.
MLA引文Sarmiento, Prime. "Metal Production Strong in 1st Qtr, Dismal in 2nd Qtr." Manila Times, 1998.
警告：这些引文格式不一定是100％准确.