APA aipamena

Warner, C. G. (1956). The Pneumoconiosis Problem in Coal-mines.

Chicago Style aipamena

Warner, C. G. The Pneumoconiosis Problem in Coal-mines. 1956.

MLA aipamena

Warner, C. G. The Pneumoconiosis Problem in Coal-mines. 1956.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.