Linda Darling-Hammond, Nicole Ramos-Beban, Rebecca Padnos Altamirano, Maria E. Hyler (2016). “Be the Change: Reinventing School for Student Success”, p.114, Teachers College Press
Albert Einstein, Stephen W. Hawking (2007). “A Stubbornly Persistent Illusion: The Essential Scientific Works of Albert Einstein”, p.346, Running Press