Philippines (Republic). Bureau of Vocational Education. (1964). Statistical bulletin. s.n.
Chicagoスタイル(17版)引用形式Philippines (Republic). Bureau of Vocational Education. Statistical Bulletin. [Manila: s.n, 1964.
MLA(9版)引用形式Philippines (Republic). Bureau of Vocational Education. Statistical Bulletin. s.n, 1964.
警告: この引用は必ずしも正確ではありません.