Sarmiento, P. (1998). Metal production strong in 1st qtr, dismal in 2nd qtr. Manila Times.
Chicago-referens (17:e uppl.)Sarmiento, Prime. "Metal Production Strong in 1st Qtr, Dismal in 2nd Qtr." Manila Times 1998.
MLA-referens (9:e uppl.)Sarmiento, Prime. "Metal Production Strong in 1st Qtr, Dismal in 2nd Qtr." Manila Times, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.