Berkeley (University of California Press). [for Iguanidae except for the recognition of Brachylophus bulabula, Phrynosoma blainvillii, P. cerroense and P. wigginsi as valid species]
Berkeley (University of California Press). [Iguanidae lukuun ottamatta seuraavien tunnistamista lajiksi: Brachylophus bulabula, Phrynosoma blainvillii, P. cerroense ja P. wigginsi]EurLex-2 EurLex-2