ebrary, Inc. (2005). International travel and health: Situation as on 1 January 2005. World Health Organization.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc. International Travel and Health: Situation as on 1 January 2005. Geneva: World Health Organization, 2005.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua MLA (9ú heag.)
ebrary, Inc. International Travel and Health: Situation as on 1 January 2005. World Health Organization, 2005.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.