Cita APA (7a ed.)
Gray, E., & Evans, V. Letterfun: Video (1a. ed.). United Kingdom Express publishing.
Cita Chicago Style (17a ed.)
Gray, Elizabeth, y Virginia Evans. Letterfun: Video. 1a. ed. United Kingdom Express publishing.
Cita MLA (9a ed.)
Gray, Elizabeth, y Virginia Evans. Letterfun: Video. 1a. ed. United Kingdom Express publishing.
Precaución: Estas citas no son 100% exactas.