Schuller, R. H. (1979). Discover your possibilities. Hour of Power.
Chicagoスタイル(17版)引用形式Schuller, Robert Harold. Discover Your Possibilities. Garden Grove, California: Hour of Power, 1979.
MLA(8版)引用形式Schuller, Robert Harold. Discover Your Possibilities. Hour of Power, 1979.
警告: この引用は必ずしも正確ではありません.