Velayo, R. M. (1958). Philippine citizenship and naturalization. A. Saguil.
Chicagoスタイル(17版)引用形式Velayo, Ramon M. Philippine Citizenship and Naturalization. San Juan, Rizal: A. Saguil, 1958.
MLA(9版)引用形式Velayo, Ramon M. Philippine Citizenship and Naturalization. A. Saguil, 1958.
警告: この引用は必ずしも正確ではありません.