Dyfyniad APA

Golgstein, R. F. (1958). The petroleum chemicals industry. Washington: E. and F. N. Spon.

Dyfyniad Arddull Chicago

Golgstein, Richard Frank. The Petroleum Chemicals Industry. Washington: E. and F. N. Spon, 1958.

Dyfyniad MLA

Golgstein, Richard Frank. The Petroleum Chemicals Industry. Washington: E. and F. N. Spon, 1958.

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