Araba Kalea:ITXAROPENA,,
Buku Teks
Azmi Ab Rahman
Mind Educate Resources, 2010
Buku Referensi
Bristow, Steve
Tropical Press Sdn Bhd, 1994
Buku Referensi
World Express Mapping Sdn. Bhd, [date of publication not identified]
Buku Referensi
Rosensohn, Nicole
Fundacion BBV, 1993
Buku Teks