Παραπομπή σε μορφή APA (7η εκδ.)

Richardson, K., & Carling, P. (2005). A typology of sculpted forms in open bedrock channels. The geological society of America.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Richardson, Keith, και Paul Carling. A Typology of Sculpted Forms in Open Bedrock Channels. Boulder: The geological society of America, 2005.

Παραπομπή σε μορφή MLA (9th εκδ.)

Richardson, Keith, και Paul Carling. A Typology of Sculpted Forms in Open Bedrock Channels. The geological society of America, 2005.