Stone, W. C. (2018). Believe and achieve: 7 principles of success. Jaico publishing house.
Chicago-viite (17. p.)Stone, W. Clement. Believe and Achieve: 7 Principles of Success. Mumbai: Jaico publishing house, 2018.
MLA-viite (9. p.)Stone, W. Clement. Believe and Achieve: 7 Principles of Success. Jaico publishing house, 2018.
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