Richards, B. (1959). The heart of a champion. Fleming H. Revell.
Chicagoスタイル(17版)引用形式Richards, Bob. The Heart of a Champion. Westwood: Fleming H. Revell, 1959.
MLA(9版)引用形式Richards, Bob. The Heart of a Champion. Fleming H. Revell, 1959.
警告: この引用は必ずしも正確ではありません.