Douglas, H. E. (1975). Perfection The impossible possibility. Southern.
Chicagoスタイル(17版)引用形式Douglas, Herbert E. Perfection The Impossible Possibility. Southern, 1975.
MLA(9版)引用形式Douglas, Herbert E. Perfection The Impossible Possibility. Southern, 1975.
警告: この引用は必ずしも正確ではありません.