@article{Bonilla-Silva2004,
author = {Bonilla-Silva, E.},
title= {From bi-racial to tri-racial: Towards a new system of racial stratification in the USA},
year = {2004},
doi = {10.1080/0141987042000268530},
journal = {Ethnic and Racial Studies},
volume = {27},
number = {6},
pages = {931--950},
}