GOLD, S. M. (1980). Recreation Planning And Design. McGraw-Hill.
Chicago Style (17th ed.) CitationGOLD, Seymour M. Recreation Planning And Design. McGraw-Hill, 1980.
Cita MLAGOLD, Seymour M. Recreation Planning And Design. McGraw-Hill, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.