Brautigam, I. M., Harper, C., & Kidd, C. A. (1912). The progressive composition lessons. Silver, Burdett and Co..
Lua i Stíl Chicago (17ú heag.)Brautigam, Ida M., Charles Harper, agus Cecil A. Kidd. The Progressive Composition Lessons. Boston: Silver, Burdett and Co., 1912.
Lua MLA (8ú heag.)Brautigam, Ida M., et al. The Progressive Composition Lessons. Silver, Burdett and Co., 1912.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.