STEWART, H. L., & PHILBIN, T. (1984). Pumps.-- Ed.2. G.K. Hall and Co.
Lua i Stíl Chicago (17ú heag.)STEWART, Harry L., agus Tom PHILBIN. Pumps.-- Ed.2. Boston: G.K. Hall and Co, 1984.
Lua MLA (9ú heag.)STEWART, Harry L., agus Tom PHILBIN. Pumps.-- Ed.2. G.K. Hall and Co, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.