Stott, Jon (Fall 1977). "Midsummer night's dreams: Fantasy and self-realization in children's fiction". The Lion and the Unicorn. 1 (2): 25–39. doi:10.1353/uni.0.0401. S2CID145776252.; cited by Hettinga[18](pp 27, 30)
Fulton, Jean C. (2002). "A Wrinkle in Time". In Fiona Kelleghan (ed.). Classics of Science Fiction and Fantasy Literature. Vol. 2. Pasadena, CA: Salem Press. p. 596. Archived from the original on January 3, 2014. Retrieved December 26, 2012.
Stott, Jon (Fall 1977). "Midsummer night's dreams: Fantasy and self-realization in children's fiction". The Lion and the Unicorn. 1 (2): 25–39. doi:10.1353/uni.0.0401. S2CID145776252.; cited by Hettinga[18](pp 27, 30)
Fulton, Jean C. (2002). "A Wrinkle in Time". In Fiona Kelleghan (ed.). Classics of Science Fiction and Fantasy Literature. Vol. 2. Pasadena, CA: Salem Press. p. 596. Archived from the original on January 3, 2014. Retrieved December 26, 2012.