Lange, C. (2006). Heidi Specker: Optical illusion, tree trunks, Brutalist architecture and Bangkok. frieze.
Chicago-Zitierstil (17. Ausg.)Lange, Christy. "Heidi Specker: Optical Illusion, Tree Trunks, Brutalist Architecture and Bangkok." Frieze 2006.
MLA-Zitierstil (8. Ausg.)Lange, Christy. "Heidi Specker: Optical Illusion, Tree Trunks, Brutalist Architecture and Bangkok." Frieze, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.