Hopkins, M. J. D. (1975). A structural overview of Bachue-Philippines. International Labour Office.
Cita Chicago (17th ed.)Hopkins, M. J. D. A Structural Overview of Bachue-Philippines. Geneva: International Labour Office, 1975.
Cita MLA (9th ed.)Hopkins, M. J. D. A Structural Overview of Bachue-Philippines. International Labour Office, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.