Tan, M. L. (1998). Defining animal welfare. IN Pinoy kasi [column]. Philippine Daily Inquirer.
芝加哥风格引文Tan, Michael Lim. "Defining Animal Welfare. IN Pinoy Kasi [column]." Philippine Daily Inquirer 1998.
MLA引文Tan, Michael Lim. "Defining Animal Welfare. IN Pinoy Kasi [column]." Philippine Daily Inquirer, 1998.
警告：这些引文格式不一定是100％准确.