Brosius, J. P. 1983. The Zambales Negritos: Swidden agriculture and environmental change. Philippine Quarterly of Culture and Society 11. 123-148.
@article{brosius1983, author = {Brosius, J. P.}, journal = {Philippine Quarterly of Culture and Society}, number = {2/3}, pages = {123-148}, title = {The Zambales Negritos: Swidden agriculture and environmental change}, volume = {11}, year = {1983} }