APA引用形式

Không rõ. (2001). Product Planning and Development. Youth PublishingHouse.

シカゴスタイル引用形

Không rõ. Product Planning and Development. Youth PublishingHouse, 2001.

MLA引用形式

Không rõ. Product Planning and Development. Youth PublishingHouse, 2001.

警告: この引用は必ずしも正確ではありません.