APA

American Petroleum Institute A., . (1988). Metallic gaskets for raised-face pipe flanges and flanged connectios (Double-jacketed corrugated and spiral-wound). Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1988. Metallic gaskets for raised-face pipe flanges and flanged connectios (Double-jacketed corrugated and spiral-wound). Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1988). Metallic gaskets for raised-face pipe flanges and flanged connectios (Double-jacketed corrugated and spiral-wound). Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Metallic gaskets for raised-face pipe flanges and flanged connectios (Double-jacketed corrugated and spiral-wound). Washington: American Petroleum Institute, API. 1988.