American Psychological Association & MacLeod, R. B. (1969). William James: Unfinished business. American Psychological Association.
Chicago-viite (17. p.)American Psychological Association ja Robert Brodie MacLeod. William James: Unfinished Business. Washington: American Psychological Association, 1969.
MLA-viite (9. p.)American Psychological Association ja Robert Brodie MacLeod. William James: Unfinished Business. American Psychological Association, 1969.
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