Könches, B. (2023). On "Rainbow" by Otto Piene: A Sign of Hope in Orange, Yellow, Green, Indigo and Violet. Art and Society 1972 2022 2072 : from the Art for the Olympic Games in Munich in 1972 to Artistic Design Concepts of the Twenty-First Century.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումKönches, Barbara. "On "Rainbow" by Otto Piene: A Sign of Hope in Orange, Yellow, Green, Indigo and Violet." Art and Society 1972 2022 2072 : From the Art for the Olympic Games in Munich in 1972 to Artistic Design Concepts of the Twenty-First Century 2023.
MLA (8րդ խմբ.) ՄեջբերումKönches, Barbara. "On "Rainbow" by Otto Piene: A Sign of Hope in Orange, Yellow, Green, Indigo and Violet." Art and Society 1972 2022 2072 : From the Art for the Olympic Games in Munich in 1972 to Artistic Design Concepts of the Twenty-First Century, 2023.