Frik, W., & Goering, U. (1980). Roentgenologic Anatomy. s.n.
Chicago Style (17th ed.) CitationFrik, W., and U. Goering. Roentgenologic Anatomy. Chicago: s.n, 1980.
MLA引文Frik, W., and U. Goering. Roentgenologic Anatomy. s.n, 1980.
警告:這些引文格式不一定是100%准確.