Gaya APA
Schuller, H. Robert. ().
Tough times never last, but tough people do! .
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Gaya Chicago
Schuller, H. Robert.
Tough times never last, but tough people do!.
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Text.
Gaya MLA
Schuller, H. Robert.
Tough times never last, but tough people do!.
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Text.
Gaya Turabian
Schuller, H. Robert.
Tough times never last, but tough people do!.
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Print.