APA(7版)引用形式
ebrary, Inc. (2005). International travel and health: Situation as on 1 January 2005. World Health Organization.
Chicagoスタイル(17版)引用形式
ebrary, Inc. International Travel and Health: Situation as on 1 January 2005. Geneva: World Health Organization, 2005.
MLA(9版)引用形式
ebrary, Inc. International Travel and Health: Situation as on 1 January 2005. World Health Organization, 2005.
警告: この引用は必ずしも正確ではありません.