Roberts, N. (2007). Blood brothers: Sign of seven trilogy series, book 1.
Cita Chicago Style (17a ed.)Roberts, Nora. Blood Brothers: Sign of Seven Trilogy Series, Book 1. 2007.
Cita MLA (8a ed.)Roberts, Nora. Blood Brothers: Sign of Seven Trilogy Series, Book 1. 2007.
Precaución: Estas citas no son 100% exactas.