"Professores emeriti". University of Canterbury Calendar(PDF). Christchurch: University of Canterbury. p. 13. Retrieved 17 December 2017.
nzic.org.nz
Robinson, Ward T.; Edmonds, Michael; Saunders, Darren (April 2011). "Chemistry in Canterbury: 1986ā2010"(PDF). Chemistry in New Zealand. New Zealand Institute of Chemistry: 95ā101. Retrieved 17 December 2017.
ox.ac.uk
solo.bodleian.ox.ac.uk
"Catalogue search". SOLO: Search Oxford Libraries Online. University of Oxford. Retrieved 17 December 2017.