Duncan, B. (1993). Personal assistance services in Europe and North America. Rehabilitation International.
Chicago Style (17th ed.) CitationDuncan, Barbara. Personal Assistance Services in Europe and North America. New York: Rehabilitation International, 1993.
MLA引文Duncan, Barbara. Personal Assistance Services in Europe and North America. Rehabilitation International, 1993.
警告:這些引文格式不一定是100%准確.