Lado, R., & Fries, C. C. (1958). English sentence patterns: Understanding and producing English grammatical structures :an oral approach. University of Michigan Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Lado, Robert, και Charles Carpenter Fries. English Sentence Patterns: Understanding and Producing English Grammatical Structures :an Oral Approach. Ann Arbor: University of Michigan Press, 1958.
Παραπομπή σε μορφή MLA (9th εκδ.)Lado, Robert, και Charles Carpenter Fries. English Sentence Patterns: Understanding and Producing English Grammatical Structures :an Oral Approach. University of Michigan Press, 1958.
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