Watts, R. (1972). Businessman's guide to marketing. Reginald Watts.
シカゴスタイル引用形Watts, Reginald. Businessman's Guide to Marketing. New Delhi: Reginald Watts, 1972.
MLA引用形式Watts, Reginald. Businessman's Guide to Marketing. Reginald Watts, 1972.
警告: この引用は必ずしも正確ではありません.