Churchward, A. (1912). The origin and evolution of primitive man: Lecture given at the Royal Societies Club, St James's Street, February 1912. George Allen & Co..
Chicago-referens (17:e uppl.)Churchward, Albert. The Origin and Evolution of Primitive Man: Lecture Given at the Royal Societies Club, St James's Street, February 1912. London: George Allen & Co., 1912.
MLA-referens (8:e uppl.)Churchward, Albert. The Origin and Evolution of Primitive Man: Lecture Given at the Royal Societies Club, St James's Street, February 1912. George Allen & Co., 1912.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.