Lua APA (7ú heag.)

Hettig, F. (1998). Christopher Wool: Museum of Contemporary Art, Los Angeles, 19.7. - 18.10.1998 ; Carnegie Museum of Art, Pittsburgh, 21.11. - 31.1.1999. Kunstforum.

Lua i Stíl Chicago (17ú heag.)

Hettig, Frank-Alexander. "Christopher Wool: Museum of Contemporary Art, Los Angeles, 19.7. - 18.10.1998 ; Carnegie Museum of Art, Pittsburgh, 21.11. - 31.1.1999." Kunstforum 1998.

Lua MLA (8ú heag.)

Hettig, Frank-Alexander. "Christopher Wool: Museum of Contemporary Art, Los Angeles, 19.7. - 18.10.1998 ; Carnegie Museum of Art, Pittsburgh, 21.11. - 31.1.1999." Kunstforum, 1998.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.