APA ציטוט

HUNTINGTON, E. (1947). Principles of Economic Geography. John Wiley & Sons.

Chicago Style (17th ed.) Citation

HUNTINGTON, Ellsworth. Principles of Economic Geography. John Wiley & Sons, 1947.

ציטוט MLA

HUNTINGTON, Ellsworth. Principles of Economic Geography. John Wiley & Sons, 1947.