C.A.B. International, Commonwealth Agricultural Bureaux, & World Leisure and Recreation Association. (1981). Leisure, recreation, and tourism abstracts. Commonwealth Agricultural Bureaux.
Chicago Style aipamenaC.A.B. International, Commonwealth Agricultural Bureaux, and World Leisure and Recreation Association. Leisure, Recreation, and Tourism Abstracts. Farnham Royal [England]: Commonwealth Agricultural Bureaux, 1981.
MLA aipamenaC.A.B. International, et al. Leisure, Recreation, and Tourism Abstracts. Commonwealth Agricultural Bureaux, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.