Lado, R., & Fries, C. C. (1958). English pattern practices. Establishing the patterns as habits. The University of Michigan.
Citace podle Chicago (17th ed.)Lado, Robert, a Charles C. Fries. English Pattern Practices. Establishing the Patterns as Habits. Ann Arbor: The University of Michigan, 1958.
Citace podle MLA (9th ed.)Lado, Robert, a Charles C. Fries. English Pattern Practices. Establishing the Patterns as Habits. The University of Michigan, 1958.
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