Cita APA (7a ed.)
National Association of Independent Schools. (1971). Books for secondary school libraires.
Cita estilo Chicago (17a ed.)
National Association of Independent Schools. Books for Secondary School Libraires. 1971.
Cita MLA (9a ed.)
National Association of Independent Schools. Books for Secondary School Libraires. 1971.
Precaución: Estas citas no son 100% exactas.