Dyfyniad APA

Institution of Engineers (India). Mining and Metallurgy Division. (1961). Journal of the Institution of Engineers (India). The Institution.

Dyfyniad Arddull Chicago

Institution of Engineers (India). Mining and Metallurgy Division. Journal of the Institution of Engineers (India). Calcutta: The Institution, 1961.

Dyfyniad MLA

Institution of Engineers (India). Mining and Metallurgy Division. Journal of the Institution of Engineers (India). The Institution, 1961.

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