University of the Philippines (Diliman). College of Arts and Sciences, Department of English, & Freshman English Committee. (1975). A textbook in Freshman English. [s.n].
Citazione stile Chigago Style (17a edizione)University of the Philippines (Diliman). College of Arts and Sciences, Department of English, e Freshman English Committee. A Textbook in Freshman English. Quezon City: [s.n], 1975.
Citatione MLA (9a ed.)University of the Philippines (Diliman). College of Arts and Sciences, et al. A Textbook in Freshman English. [s.n], 1975.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.