Tohutoro APA (7th ed.)
Schuller, R. H. (1983). Tough times never last, but tough people do. Thomas Nelson.
Tohutoru Kātū Chicago (17th ed.)
Schuller, Robert H. Tough Times Never Last, but Tough People Do. New York: Thomas Nelson, 1983.
Tohutoro MLA (9th ed.)
Schuller, Robert H. Tough Times Never Last, but Tough People Do. Thomas Nelson, 1983.
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