Danchev, A. (2011). Ferreira Gullar: Neo-Concrete Manifesto (1959). 100 artists' manifestos : [from the Futurists to the Stuckists].
Lua i Stíl Chicago (17ú heag.)Danchev, Alex. "Ferreira Gullar: Neo-Concrete Manifesto (1959)." 100 Artists' Manifestos : [from the Futurists to the Stuckists] 2011.
Lua MLA (8ú heag.)Danchev, Alex. "Ferreira Gullar: Neo-Concrete Manifesto (1959)." 100 Artists' Manifestos : [from the Futurists to the Stuckists], 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.