Ries, A. (1990). Bottom up marketing. Penguin (Plume).
Chicagoスタイル(17版)引用形式Ries, Al. Bottom Up Marketing. New York: Penguin (Plume), 1990.
MLA(9版)引用形式Ries, Al. Bottom Up Marketing. Penguin (Plume), 1990.
警告: この引用は必ずしも正確ではありません.
Ries, A. (1990). Bottom up marketing. Penguin (Plume).
Chicagoスタイル(17版)引用形式Ries, Al. Bottom Up Marketing. New York: Penguin (Plume), 1990.
MLA(9版)引用形式Ries, Al. Bottom Up Marketing. Penguin (Plume), 1990.