Ericta, H. D. (1977). Determination of least-cost nutritionally adequate diets for families in Bicol region by linear programming [microform]. Photoduplication Service, University of the Philippines Library.
Cita Chicago (17th ed.)Ericta, Hazel Dancel. Determination of Least-cost Nutritionally Adequate Diets for Families in Bicol Region by Linear Programming [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
Cita MLA (9th ed.)Ericta, Hazel Dancel. Determination of Least-cost Nutritionally Adequate Diets for Families in Bicol Region by Linear Programming [microform]. Photoduplication Service, University of the Philippines Library, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.