Input (grade 7): Laing, R.D., Phillipson, H. and Lee, A.R. (/O1966/O) Interpersonal Perception: A Theory and a Method of Research.
Output (grade 6): 1966 - Laing, R.D., Phillipson, H. and Lee, A.R.: Interpersonal Perception: A Theory and a Method of Research.