APA aipamena

GOLD, S. M. (1980). Recreation Planning And Design. McGraw-Hill.

Chicago Style aipamena

GOLD, Seymour M. Recreation Planning And Design. McGraw-Hill, 1980.

MLA aipamena

GOLD, Seymour M. Recreation Planning And Design. McGraw-Hill, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.