Stafford, C. E., & Rucker, P. (1930). Art appreciation textbooks, pt.1-7. Laidlaw.
Lua i Stíl Chicago (17ú heag.)Stafford, Cora Elder, agus Pearl Rucker. Art Appreciation Textbooks, Pt.1-7. Chicago: Laidlaw, 1930.
Lua MLA (8ú heag.)Stafford, Cora Elder, agus Pearl Rucker. Art Appreciation Textbooks, Pt.1-7. Laidlaw, 1930.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.