Cita APA (7th ed.)
Richards, C. G. (1959). The provision of popular reading materials: A collection of studies and technical papers. UNESCO.
Cita Chicago (17th ed.)
Richards, Charles Granston. The Provision of Popular Reading Materials: A Collection of Studies and Technical Papers. Netherlands: UNESCO, 1959.
Cita MLA (9th ed.)
Richards, Charles Granston. The Provision of Popular Reading Materials: A Collection of Studies and Technical Papers. UNESCO, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.