Cruz, C. E. A study of the scholarship of students engaged in extra-curricular activities at the University of the Philippines. University of the Philippines Library.
芝加哥风格引文Cruz, Carmen Espiritu. A Study of the Scholarship of Students Engaged in Extra-curricular Activities at the University of the Philippines. Quezon City: University of the Philippines Library.
MLA引文Cruz, Carmen Espiritu. A Study of the Scholarship of Students Engaged in Extra-curricular Activities at the University of the Philippines. University of the Philippines Library.
警告：这些引文格式不一定是100％准确.