Warren, G. (1955). The Beacon Sandstone: Summary of published work. Royal Society of New Zealand.
Chicago-referens (17:e uppl.)Warren, G. The Beacon Sandstone: Summary of Published Work. [Wellington: Royal Society of New Zealand, 1955.
MLA-referens (8:e uppl.)Warren, G. The Beacon Sandstone: Summary of Published Work. Royal Society of New Zealand, 1955.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.