Villegas, M. V. (1995). Philippine-Indonesia fisheries relations.
Cita Chicago (17th ed.)Villegas, Manuel V. Philippine-Indonesia Fisheries Relations. 1995.
Cita MLA (9th ed.)Villegas, Manuel V. Philippine-Indonesia Fisheries Relations. 1995.
Atenció: Aquestes cites poden no estar 100% correctes.