APA aipamena

Greenwood, H. C. (1920). Industrial gases. Bailliere Tindall and Cox..

Chicago Style aipamena

Greenwood, Harold Cecil. Industrial Gases. London: Bailliere Tindall and Cox., 1920.

MLA aipamena

Greenwood, Harold Cecil. Industrial Gases. Bailliere Tindall and Cox., 1920.