Não informado. Product Engineering. Product Design Digest Issue.
Citace podle Chicago (17th ed.)Não informado. Product Engineering. New York: Product Design Digest Issue.
Citace podle MLA (8th ed.)Não informado. Product Engineering. Product Design Digest Issue.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..