R.L. Polk & Co. (1983). Spokane suburban (Spokane County, Wash.) city directory. R. L. Polk & Co..
Chicago Style (17th ed.) CitationR.L. Polk & Co. Spokane Suburban (Spokane County, Wash.) City Directory. Kansas City, Mo.: R. L. Polk & Co., 1983.
MLA引文R.L. Polk & Co. Spokane Suburban (Spokane County, Wash.) City Directory. R. L. Polk & Co., 1983.
警告:這些引文格式不一定是100%准確.