APA引文

Schafer, J. (2007). Helicopter maintenance. Jeppesen.

Chicago Style (17th ed.) Citation

Schafer, Joe. Helicopter Maintenance. United States: Jeppesen, 2007.

MLA引文

Schafer, Joe. Helicopter Maintenance. Jeppesen, 2007.

警告：這些引文格式不一定是100％准確.