Lado, R., & Fries, C. C. 1. j. a. (1958). English pattern practices: Establishing the patterns as habits (Rev. ed.). University of Michigan Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLado, Roberto, और Charles Carpenter 1887- joint auth Fries. English Pattern Practices: Establishing the Patterns as Habits. Rev. ed. Ann Arbor: University of Michigan Press, 1958.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLado, Roberto, और Charles Carpenter 1887- joint auth Fries. English Pattern Practices: Establishing the Patterns as Habits. Rev. ed. University of Michigan Press, 1958.
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