Wells, L. (1972). The product life cyle and nternational trade. Havard: President and Fellows of Havard College.
シカゴスタイル引用形Wells, Louis. The Product Life Cyle and Nternational Trade. Havard: President and Fellows of Havard College, 1972.
MLA引用形式Wells, Louis. The Product Life Cyle and Nternational Trade. Havard: President and Fellows of Havard College, 1972.
警告: この引用は必ずしも正確ではありません.