LADO, R., & FRIES, C. C. (1977). English pattern practices: Establishing the patterns ashabits. Ann Arbor.
芝加哥风格引文LADO, Robert, 与 Charles C. FRIES. English Pattern Practices: Establishing the Patterns Ashabits. Michigan: Ann Arbor, 1977.
MLA引文LADO, Robert, 与 Charles C. FRIES. English Pattern Practices: Establishing the Patterns Ashabits. Ann Arbor, 1977.
警告：这些引文格式不一定是100％准确.