使用|accessdate=需要含有|url= (帮助) Hunt, P. J.; Wills, G. L. (eds) (1977),《Devon Wetlands》,Exeter: Devon County Council ISBN 0-903849-19-4。 Pyne, StephenJ. (1997),《Vestal Fire:
Leila Chaker, Bill C. Hawkins, James R. Williams, Paul A. Keller, and Stephen G. Pyne. Structural Reassignment of the Mono- and Bis-Addition Products from