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.
Chicago Style (17. basım) AtıfPerdigon, 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.
MLA (9th ed.) AtıfPerdigon, 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.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..