Ruffins, F. D., & Ruffins, P. (1997). Recovering Yesterday: An Overview of the Collection and Preservation of Black History.
Citazione stile Chigago Style (17a edizione)Ruffins, Fath Davis, e Paul Ruffins. Recovering Yesterday: An Overview of the Collection and Preservation of Black History. 1997.
Citatione MLA (9a ed.)Ruffins, Fath Davis, e Paul Ruffins. Recovering Yesterday: An Overview of the Collection and Preservation of Black History. 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.