APA (7th ed.) Zitazioa

SESSOMS, H. D. (1981). Leadership and group dynamics in recreation: Services. Allyn and Bacon.

Chicago Style (17th ed.) Zitazioa

SESSOMS, H. Douglas. Leadership and Group Dynamics in Recreation: Services. Boston: Allyn and Bacon, 1981.

MLA (9th ed.) Zitazioa

SESSOMS, H. Douglas. Leadership and Group Dynamics in Recreation: Services. Allyn and Bacon, 1981.