WATTS, R. L., & ZIMMERMAN, J. L. (1986). Positive accounting theory. Prentice-Hall International.
Lua i Stíl Chicago (17ú heag.)WATTS, Ross L., agus Jerold L. ZIMMERMAN. Positive Accounting Theory. Englewood Cliffs: Prentice-Hall International, 1986.
Lua MLA (9ú heag.)WATTS, Ross L., agus Jerold L. ZIMMERMAN. Positive Accounting Theory. Prentice-Hall International, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.