Johnson, S. (1987). One minute for myself: How to manage your most valuable asset. Avon Books.
Chicago-viite (17. p.)Johnson, Spencer. One Minute for Myself: How to Manage Your Most Valuable Asset. New York: Avon Books, 1987.
MLA-viite (9. p.)Johnson, Spencer. One Minute for Myself: How to Manage Your Most Valuable Asset. Avon Books, 1987.
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