Vina, P. (1950). Philippine socio-economic barriers. [publisher not identified].
Chicago Style (17th ed.) CitationVina, Penny. Philippine Socio-economic Barriers. Manila: [publisher not identified], 1950.
MLA (9th ed.) CitationVina, Penny. Philippine Socio-economic Barriers. [publisher not identified], 1950.
Warning: These citations may not always be 100% accurate.