Pennsylvania State University. College of Health, Physical Education, and Recreation, Pennsylvania State University. Continuing Education, Society of Park and Recreation Educators, & Van der Smissen, B. (1975). Indicators of change in the recreation environment: A national research symposium. College of Health, Physical Education and Recreation, Pennsylvania State University.
Chicago Style (17th ed.) CitationPennsylvania State University. College of Health, Physical Education, and Recreation, Pennsylvania State University. Continuing Education, Society of Park and Recreation Educators, and Betty Van der Smissen. Indicators of Change in the Recreation Environment: A National Research Symposium. [University Park]: College of Health, Physical Education and Recreation, Pennsylvania State University, 1975.
MLA (9th ed.) CitationPennsylvania State University. College of Health, Physical Education, and Recreation, et al. Indicators of Change in the Recreation Environment: A National Research Symposium. College of Health, Physical Education and Recreation, Pennsylvania State University, 1975.