Dyfyniad APA

American Chemical Society, American Chemical Society. Division of Fuel Chemistry, & Massey, L. G. (1974). Coal gasification. American Chemical Society.

Dyfyniad Arddull Chicago

American Chemical Society, American Chemical Society. Division of Fuel Chemistry, and Lester G. Massey. Coal Gasification. Washington, DC: American Chemical Society, 1974.

Dyfyniad MLA

American Chemical Society, et al. Coal Gasification. American Chemical Society, 1974.

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