Lua APA (7ú heag.)

(1979). Readings in environment, 1979-80. Dushkin Pub. Group.

Lua i Stíl Chicago (17ú heag.)

Readings in Environment, 1979-80. Guilford, Conn: Dushkin Pub. Group, 1979.

Lua MLA (9ú heag.)

Readings in Environment, 1979-80. Dushkin Pub. Group, 1979.

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