Dyfyniad APA

Hemphill, G. B. (1981). Blasting Operations Gary B. Hemphill. McGraw-Hill.

Dyfyniad Arddull Chicago

Hemphill, Gary B. Blasting Operations Gary B. Hemphill. McGraw-Hill, 1981.

Dyfyniad MLA

Hemphill, Gary B. Blasting Operations Gary B. Hemphill. McGraw-Hill, 1981.

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