Lua APA (7ú heag.)

Kraus, R. G. (1977). Recreation Today: Program Planning And Leadership / Richard G. Kraus. Goodyear.

Lua i Stíl Chicago (17ú heag.)

Kraus, Richard G. Recreation Today: Program Planning And Leadership / Richard G. Kraus. Goodyear, 1977.

Lua MLA (8ú heag.)

Kraus, Richard G. Recreation Today: Program Planning And Leadership / Richard G. Kraus. Goodyear, 1977.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.