Havinden, M. A., Queniart, J., & Stanyer, J. (1991). Centre and peripherie: Bretagne, Cornouailles-Devon : etude comparee = Centre and periphery : Brittany, and Cornwall and Devon compared. University of Exeter Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Havinden, Michael Ashley, Jean Queniart, και Jeffrey Stanyer. Centre and Peripherie: Bretagne, Cornouailles-Devon : Etude Comparee = Centre and Periphery : Brittany, and Cornwall and Devon Compared. Exeter: University of Exeter Press, 1991.
Παραπομπή σε μορφή MLA (9th εκδ.)Havinden, Michael Ashley, et al. Centre and Peripherie: Bretagne, Cornouailles-Devon : Etude Comparee = Centre and Periphery : Brittany, and Cornwall and Devon Compared. University of Exeter Press, 1991.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.