Lua APA (7ú heag.)

Bridwell, N. (2000). Clifford´s: School house (1a. ed.). Scholastic.

Lua i Stíl Chicago (17ú heag.)

Bridwell, Norman. Clifford´s: School House. 1a. ed. New York: Scholastic, 2000.

Lua MLA (9ú heag.)

Bridwell, Norman. Clifford´s: School House. 1a. ed. Scholastic, 2000.

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