Worcester, D. C. (1913). Slavery and Peonage in the Philippine Islands. Manila.
Dyfyniad Arddull ChicagoWorcester, Dean C. Slavery and Peonage in the Philippine Islands. Manila, 1913.
Dyfyniad MLAWorcester, Dean C. Slavery and Peonage in the Philippine Islands. Manila, 1913.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.