Zinsser, N. (2023). The confident mind: A battle-tested guide to unshakable performance. Penguin Books.
Chicago-viite (17. p.)Zinsser, Nathaniel. The Confident Mind: A Battle-tested Guide to Unshakable Performance. London: Penguin Books, 2023.
MLA-viite (9. p.)Zinsser, Nathaniel. The Confident Mind: A Battle-tested Guide to Unshakable Performance. Penguin Books, 2023.
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