Cita APA

O'Sullivan, E. L. (1991). Marketing for parks, recreation, and leisure. State College, PA: Venture Publishing, Inc..

Citación estilo Chicago

O'Sullivan, Ellen Lupia‏. Marketing for Parks, Recreation, and Leisure. State College, PA: Venture Publishing, Inc., 1991.

Cita MLA

O'Sullivan, Ellen Lupia‏. Marketing for Parks, Recreation, and Leisure. State College, PA: Venture Publishing, Inc., 1991.

Precaución: Estas citas no son 100% exactas.