APA引用形式

Usherwood, T. (1989). INTERNATIONAL TRAVEL AND HEALTH: Vaccination requirements and health advice.

シカゴスタイル引用形

Usherwood, Tim. INTERNATIONAL TRAVEL AND HEALTH: Vaccination Requirements and Health Advice. 1989.

MLA引用形式

Usherwood, Tim. INTERNATIONAL TRAVEL AND HEALTH: Vaccination Requirements and Health Advice. 1989.

警告: この引用は必ずしも正確ではありません.