Morgan, N. (1980). Palaeoecology and sedimentology of Waulsortian 'reefs' (lower carboniferous).
Chicago-čujuhus (17. p.)Morgan, N. Palaeoecology and Sedimentology of Waulsortian 'Reefs' (lower Carboniferous). 1980.
MLA-čujuhus (9. p.)Morgan, N. Palaeoecology and Sedimentology of Waulsortian 'Reefs' (lower Carboniferous). 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.