O'Donnell, M. (1950). Guidebook for Singing wheels: Fourth year (1950 edition.). Row, Peterson and Company.
Chicago Style (17th ed.) CitationO'Donnell, Mabel. Guidebook for Singing Wheels: Fourth Year. 1950 edition. Evanston, Illinois ; White Plains, New York: Row, Peterson and Company, 1950.
MLA引文O'Donnell, Mabel. Guidebook for Singing Wheels: Fourth Year. 1950 edition. Row, Peterson and Company, 1950.
警告:这些引文格式不一定是100%准确.