Lado, R. (1961). English sentence patterns: Understanding and producing English grammatical structures. An oral approach (6a. ed.). Ann Arbor-The University of Michigan Press.
Cita Chicago (17th ed.)Lado, Robert. English Sentence Patterns: Understanding and Producing English Grammatical Structures. An Oral Approach. 6a. ed. Estados Unidos: Ann Arbor-The University of Michigan Press, 1961.
Cita MLA (9th ed.)Lado, Robert. English Sentence Patterns: Understanding and Producing English Grammatical Structures. An Oral Approach. 6a. ed. Ann Arbor-The University of Michigan Press, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.