Rujukan Apit-apit biasa

  • "Anthus rufulus". Senarai Merah Spesies Terancam IUCN. 2004. 2004. Unknown parameter |downloaded= ignored (bantuan); Unknown parameter |assessors= ignored (bantuan){{cite iucn}}: error: malformed |id= identifier (help)no identifier Database entry includes justification for why this species is of least concern