Dyfyniad APA
Ashbourn, J. (2011). Geological Landscapes of Britain. Springer Netherlands. https://doi.org/10.1007/978-90-481-8861-1
Dyfyniad Arddull Chicago
Ashbourn, Julian. Geological Landscapes of Britain. Dordrecht: Springer Netherlands, 2011. https://doi.org/10.1007/978-90-481-8861-1.
Dyfyniad MLA
Ashbourn, Julian. Geological Landscapes of Britain. Springer Netherlands, 2011. https://doi.org/10.1007/978-90-481-8861-1.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.