Long, M. G., & Vélez, C. (2021). Three lines in a circle: The exciting life of the peace symbol (First edition.). Flyaway Books.
Cita Chicago Style (17a ed.)Long, Michael G., y Carlos Vélez. Three Lines in a Circle: The Exciting Life of the Peace Symbol. First edition. Louisville, Kentucky: Flyaway Books, 2021.
Cita MLA (8a ed.)Long, Michael G., y Carlos Vélez. Three Lines in a Circle: The Exciting Life of the Peace Symbol. First edition. Flyaway Books, 2021.
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