Abad Santos, Q. Commencement address at Guagua Institute, Juen 21, 1948.
芝加哥风格引文Abad Santos, Quirino. Commencement Address at Guagua Institute, Juen 21, 1948.
MLA引文Abad Santos, Quirino. Commencement Address at Guagua Institute, Juen 21, 1948.
警告：这些引文格式不一定是100％准确.