Jung, C.Foreword to The I Ching. In R. Wilhelm, The I Ching.New York: Bollingen Press , 1950.
2.
Kluckhohn, F.Dominant and variant value orientations In Kluckhohn, Murray, & Schneider (Eds.), Personality in nature, society and culture.New York: Knopf, 1953 .
3.
Weir, J.The personal growth laboratory In L. Bradford, K. Benne, & J. Gibb (Eds.), Laboratory method in teaching and learning.New York: Wiley, 1974 .
4.
Wilhelm, R.The I Ching.New York: Bollingen Press, 1950.