APA引文

Horn, K. (1967). Long-term Planning. The Institute of National Planning.

Chicago Style (17th ed.) Citation

Horn, Karl-Heinz. Long-term Planning. Cairo: The Institute of National Planning, 1967.

MLA引文

Horn, Karl-Heinz. Long-term Planning. The Institute of National Planning, 1967.

警告：這些引文格式不一定是100％准確.