Kromkowski, J. A. Annual editions: Race and ethnic relations (Nineteenth Edition.).
Citazione stile Chigago Style (17a edizione)Kromkowski, John A. Annual Editions: Race and Ethnic Relations. Nineteenth Edition. [New York] :McGraw Hill Create,c2013.
Citatione MLA (9a ed.)Kromkowski, John A. Annual Editions: Race and Ethnic Relations. Nineteenth Edition.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.