APA (7 ম সংস্করণ) উদ্ধৃতি

Druce, E. C. (1976). Conodont biostratigraphy of the Upper Devonian reef complexes of the Canning Basin, Western Australia. Australian Govt. Pub. Service.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Druce, E. C. Conodont Biostratigraphy of the Upper Devonian Reef Complexes of the Canning Basin, Western Australia. Canberra: Australian Govt. Pub. Service, 1976.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Druce, E. C. Conodont Biostratigraphy of the Upper Devonian Reef Complexes of the Canning Basin, Western Australia. Australian Govt. Pub. Service, 1976.