Brooks, J. E. (1966). Papers on Pennsylvanian stratigraphic problems in North Central Texas. Southern Methodist University Press.
Chicago-referens (17:e uppl.)Brooks, James Elwood. Papers on Pennsylvanian Stratigraphic Problems in North Central Texas. [Dallas]: Southern Methodist University Press, 1966.
MLA-referens (8:e uppl.)Brooks, James Elwood. Papers on Pennsylvanian Stratigraphic Problems in North Central Texas. Southern Methodist University Press, 1966.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.