Long, S. (1999). Grit success: Stories of millionaires in our neighborhood. Prentice Hall.
Chicago-viite (17. p.)Long, Susan. Grit Success: Stories of Millionaires in Our Neighborhood. Singapore: Prentice Hall, 1999.
MLA-viite (9. p.)Long, Susan. Grit Success: Stories of Millionaires in Our Neighborhood. Prentice Hall, 1999.
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