Dyfyniad APA

Panama-Pacific International Exposition San Francisco, Calif. (1915). Mines and metallurgy: Official catalogue of exhibitors : Panama-Pacific International Exposition, San Francisco, 1915 ([Preliminary ed.].). Wahlgreen Co..

Dyfyniad Arddull Chicago

Panama-Pacific International Exposition San Francisco, Calif. Mines and Metallurgy: Official Catalogue of Exhibitors : Panama-Pacific International Exposition, San Francisco, 1915. [Preliminary ed.]. San Francisco: Wahlgreen Co., 1915.

Dyfyniad MLA

Panama-Pacific International Exposition San Francisco, Calif. Mines and Metallurgy: Official Catalogue of Exhibitors : Panama-Pacific International Exposition, San Francisco, 1915. [Preliminary ed.]. Wahlgreen Co., 1915.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.