Não informado. (1906). Machine and tool blue book. Hitchcock Publishing.
Style de citation Chicago (17e éd.)Não informado. Machine and Tool Blue Book. Wheaton, Ill: Hitchcock Publishing, 1906.
Style de citation MLA (8e éd.)Não informado. Machine and Tool Blue Book. Hitchcock Publishing, 1906.
Attention : ces citations peuvent ne pas être correctes à 100%.