Cassidy, D. (1993). It`s when you sell that counts. Vision Books.
Chicagoスタイル(17版)引用形式Cassidy, Donald. It`s When You Sell That Counts. New Delhi: Vision Books, 1993.
MLA(9版)引用形式Cassidy, Donald. It`s When You Sell That Counts. Vision Books, 1993.
警告: この引用は必ずしも正確ではありません.