Rujukan Yir-Yoront

  1. 1 2 3 4 5 6 7 Alpher 1991. sfn error: no target: CITEREFAlpher1991 (help)
  2. ↑ Kendon 1988. sfn error: no target: CITEREFKendon1988 (help)
  3. ↑ Tindale 1974. sfn error: no target: CITEREFTindale1974 (help)