Cram, J. (1972) “Roth, Robert H., Hershenson, David B. & Hilliard, Thomas. (1970) <i>The Psychology of Vocational Development</i>”;, Canadian Journal of Counselling and Psychotherapy, 6(3). Available at: https://cjc-rcc.ucalgary.ca/article/view/60883 (Accessed: 5 December 2025).