Schuller, R. H. (1988). Success is never ending, failure is never final. T. Nelson Publishers, Bantam Books.
Chicagoスタイル(17版)引用形式Schuller, Robert H. Success Is Never Ending, Failure Is Never Final. Nashville : New York: T. Nelson Publishers, Bantam Books, 1988.
MLA(8版)引用形式Schuller, Robert H. Success Is Never Ending, Failure Is Never Final. T. Nelson Publishers, Bantam Books, 1988.
警告: この引用は必ずしも正確ではありません.