Mercado, L. N. (1983). Research methods: In Philippine context. Divine Word University.
芝加哥风格引文Mercado, Leonardo N. Research Methods: In Philippine Context. Tacloban City: Divine Word University, 1983.
MLA引文Mercado, Leonardo N. Research Methods: In Philippine Context. Divine Word University, 1983.
警告：这些引文格式不一定是100％准确.