APA(7版)引用形式

Não informado. Product Engineering. Product Design Digest Issue.

Chicagoスタイル(17版)引用形式

Não informado. Product Engineering. New York: Product Design Digest Issue.

MLA(8版)引用形式

Não informado. Product Engineering. Product Design Digest Issue.

警告: この引用は必ずしも正確ではありません.