Grünig, R., & Kühn, R. (2002). Process-based strategic planning (2nd ed.). Springer.
芝加哥风格引文Grünig, Rudolf, 与 Richard Kühn. Process-based Strategic Planning. 2nd ed. Berlin ; New York: Springer, 2002.
MLA引文Grünig, Rudolf, 与 Richard Kühn. Process-based Strategic Planning. 2nd ed. Springer, 2002.
警告：这些引文格式不一定是100％准确.