Saya mau tau Rujukan dari Segenting Panama. Jelaskan dalam bahasa melayu

Panama: Isthmus that Changed the World. NASA Earth Observatory.

A New Voyage and Description of the Isthmus of America (1695), by Lionel Wafer. Excerpt from the 1729 Knapton edition

Mellander, Gustavo A.(1971) The United States in Panamanian Politics: The Intriguing Formative Years. Daville,Ill.:Interstate Publishers. OCLC 138568.

Mellander, Gustavo A.; Nelly Maldonado Mellander (1999). Charles Edward Magoon: The Panama Years. Río Piedras, Puerto Rico: Editorial Plaza Mayor. ISBN 1563281554. OCLC 42970390.