Jacob, N. L., & Pettit, R. R. (1984). Investments. R.D. Irwin.
Lua i Stíl Chicago (17ú heag.)Jacob, Nancy L., agus R. Richardson Pettit. Investments. Homewood, Ill: R.D. Irwin, 1984.
Lua MLA (9ú heag.)Jacob, Nancy L., agus R. Richardson Pettit. Investments. R.D. Irwin, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.