Graciǹ y Morales, B., & Lockley, L. C. (1967). The science of success and the art of prudence. University of Santa Clara Press.
Lua i Stíl Chicago (17ú heag.)Graciǹ y Morales, Baltasar, agus Lawrence Campbell Lockley. The Science of Success and the Art of Prudence. [San Jose, Calif.]: University of Santa Clara Press, 1967.
Lua MLA (8ú heag.)Graciǹ y Morales, Baltasar, agus Lawrence Campbell Lockley. The Science of Success and the Art of Prudence. University of Santa Clara Press, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.