Thrall, R. M. (1957). Vector spaces and matrices. John Wiley and Sons, Inc.
Lua i Stíl Chicago (17ú heag.)Thrall, Robert McDowell. Vector Spaces and Matrices. New York: John Wiley and Sons, Inc, 1957.
Lua MLA (9ú heag.)Thrall, Robert McDowell. Vector Spaces and Matrices. John Wiley and Sons, Inc, 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.