Cass, V. C., & ZuTavern, A. B. (1930). Achievement test ...: For use with Zu Tavern's Business training. Commercial Text Book Co.
Lua i Stíl Chicago (17ú heag.)Cass, Vera Cobb, agus A. B. ZuTavern. Achievement Test ...: For Use with Zu Tavern's Business Training. South Pasadena, Calif.: Commercial Text Book Co, 1930.
Lua MLA (8ú heag.)Cass, Vera Cobb, agus A. B. ZuTavern. Achievement Test ...: For Use with Zu Tavern's Business Training. Commercial Text Book Co, 1930.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.