Calupig, S. P. (1976). A folow-up of the first graduates of the Ilocos Norte Agricultural College [microform]. Photoduplication Service, University of the Philippines Library.
Citace podle Chicago (17th ed.)Calupig, Salome Palacay. A Folow-up of the First Graduates of the Ilocos Norte Agricultural College [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
Citace podle MLA (9th ed.)Calupig, Salome Palacay. A Folow-up of the First Graduates of the Ilocos Norte Agricultural College [microform]. Photoduplication Service, University of the Philippines Library, 1976.
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