Kennedy, R. D. (1962). Introductory Accounting Oleh Ralph Dale Kennedy Dan Frederick Charles Kurtz. International Text book Compan.
Lua i Stíl Chicago (17ú heag.)Kennedy, Ralph Dale. Introductory Accounting Oleh Ralph Dale Kennedy Dan Frederick Charles Kurtz. International Text book Compan, 1962.
Lua MLA (8ú heag.)Kennedy, Ralph Dale. Introductory Accounting Oleh Ralph Dale Kennedy Dan Frederick Charles Kurtz. International Text book Compan, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.