Hammarling, S. (1970). Latent roots and latent vectors. The University of Toronto Press.
Lua i Stíl Chicago (17ú heag.)Hammarling, S.J. Latent Roots and Latent Vectors. Canada: The University of Toronto Press, 1970.
Lua MLA (9ú heag.)Hammarling, S.J. Latent Roots and Latent Vectors. The University of Toronto Press, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.