APA-referens (7:e uppl.)

Não informado. (1974). Quarry management and products. Quarry Managers Journal.

Chicago-referens (17:e uppl.)

Não informado. Quarry Management and Products. London: Quarry Managers Journal, 1974.

MLA-referens (8:e uppl.)

Não informado. Quarry Management and Products. Quarry Managers Journal, 1974.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.