Perdigon, G. P. (1986). Street vending of ready-to-eat food as a source of income and food for low income group. College of Home Economics, University of the Philippines Diliman.
Cita Chicago (17th ed.)Perdigon, Grace P. Street Vending of Ready-to-eat Food as a Source of Income and Food for Low Income Group. Quezon City: College of Home Economics, University of the Philippines Diliman, 1986.
Cita MLA (9th ed.)Perdigon, Grace P. Street Vending of Ready-to-eat Food as a Source of Income and Food for Low Income Group. College of Home Economics, University of the Philippines Diliman, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.