Roxas, S. K. (1971). Tondo: Four hundred years of urbanization. Sunday Times Magazine.
芝加哥风格引文Roxas, Sixto K. "Tondo: Four Hundred Years of Urbanization." Sunday Times Magazine 1971.
MLA引文Roxas, Sixto K. "Tondo: Four Hundred Years of Urbanization." Sunday Times Magazine, 1971.
警告：这些引文格式不一定是100％准确.