Berkaitan Pelancongan Pelancongan di Peru Pelancongan di Kanada Pelancongan di Argentina Pelancongan di Korea Utara Pelancongan di Brazil Pelancongan di Indonesia Pelancongan di Negeri Sembilan Pelancongan bencana Pelancongan di Negeri Perak
Rujukan WikiPedia: Pelancongan di Amerika Syarikat http://query.nytimes.com/mem/archive-free/pdf?res=... http://topics.nytimes.com/top/reference/timestopic... http://travel.nytimes.com/2008/05/18/nyregion/nyre... http://rsana.com/ http://www.commerce.gov/NewsRoom/PressReleases_Fac... http://tinet.ita.doc.gov/ http://tinet.ita.doc.gov/view/f-2000-99-001/foreca... //www.ncbi.nlm.nih.gov/pubmed/12003118 //www.worldcat.org/issn/0279-1072
