Ardales, V. B. (1992). Basic concepts and methods in research. Great Books Trading.
芝加哥风格引文Ardales, Venancio B. Basic Concepts and Methods in Research. Quezon City: Great Books Trading, 1992.
MLA引文Ardales, Venancio B. Basic Concepts and Methods in Research. Great Books Trading, 1992.
警告：这些引文格式不一定是100％准确.