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.
Chicago-referens (17:e uppl.)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-referens (9:e uppl.)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.
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