Agnew, J. The New Geopolitics of Power: John Agnew. Human geography today.(1999).
Chicago-Zitierstil (17. Ausg.)Agnew, John. "The New Geopolitics of Power: John Agnew." Human Geography Today.(1999) .
MLA-Zitierstil (8. Ausg.)Agnew, John. "The New Geopolitics of Power: John Agnew." Human Geography Today.(1999), .
警告：這些引文格式不一定是100％准確.