O'Sullivan, E. L. (1991). Marketing for parks, recreation, and leisure. State College, PA: Venture Publishing, Inc..
Chicago Style CitationO'Sullivan, Ellen Lupia. Marketing for Parks, Recreation, and Leisure. State College, PA: Venture Publishing, Inc., 1991.
MLA CitationO'Sullivan, Ellen Lupia. Marketing for Parks, Recreation, and Leisure. State College, PA: Venture Publishing, Inc., 1991.
Warning: These citations may not always be 100% accurate.