American Psychological Association & MacLeod, R. B. (1969). William James: Unfinished business. American Psychological Association.
Lua i Stíl Chicago (17ú heag.)American Psychological Association agus Robert Brodie MacLeod. William James: Unfinished Business. Washington: American Psychological Association, 1969.
Lua MLA (9ú heag.)American Psychological Association agus Robert Brodie MacLeod. William James: Unfinished Business. American Psychological Association, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.